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G = graphs(12)

%time len(list(G))
Error in lines 1-1 Traceback (most recent call last): File "/projects/4a5f0542-5873-4eed-a85c-a18c706e8bcd/.sagemathcloud/sage_server.py", line 879, in execute exec compile(block+'\n', '', 'single') in namespace, locals File "", line 1, in <module> File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 713, in __call__ for gg in canaug_traverse_edge(g, gens, property, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2355, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2355, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2355, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2358, in canaug_traverse_edge for possibility in check_aut_edge(z_aut_gens, cut_edge, i, j, n, dig=dig): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2392, in check_aut_edge new_perm = copy(perm) File "/projects/sage/sage-6.7/local/lib/python/copy.py", line 66, in copy def copy(x): File "sage/ext/interrupt.pyx", line 183, in sage.ext.interrupt.sage_python_check_interrupt (build/cythonized/sage/ext/interrupt.c:1674) sig_check() File "sage/ext/interrupt.pyx", line 71, in sage.ext.interrupt.sig_raise_exception (build/cythonized/sage/ext/interrupt.c:808) raise KeyboardInterrupt KeyboardInterrupt
CPU time: 98.98 s, Wall time: 101.55 s 
for n in range(13):
    Bean=0
    G=graphs(n)
    for g in G:
        Bean+=1
    print Bean
1 1 2 4 11 34 156 1044
Error in lines 1-6 Traceback (most recent call last): File "/projects/4a5f0542-5873-4eed-a85c-a18c706e8bcd/.sagemathcloud/sage_server.py", line 879, in execute exec compile(block+'\n', '', 'single') in namespace, locals File "", line 4, in <module> File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 713, in __call__ for gg in canaug_traverse_edge(g, gens, property, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2355, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2355, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2355, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2355, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2360, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2355, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2355, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2355, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2355, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2355, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2355, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2355, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2360, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2355, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2360, in canaug_traverse_edge for a in canaug_traverse_edge(z, z_aut_gens, property, dig=dig, loops=loops, implementation=implementation, sparse=sparse): File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph_generators.py", line 2343, in canaug_traverse_edge z_can = z.relabel(canonical_relabeling, inplace=False) File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/generic_graph.py", line 17337, in relabel G = copy(self) File "/projects/sage/sage-6.7/local/lib/python/copy.py", line 80, in copy return copier(x) File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/generic_graph.py", line 1065, in __copy__ return self.copy(immutable=False) File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/generic_graph.py", line 1025, in copy data_structure=data_structure) File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/graph.py", line 1349, in __init__ self.add_edges(data.edge_iterator()) File "/projects/sage/sage-6.7/local/lib/python2.7/site-packages/sage/graphs/generic_graph.py", line 9311, in add_edges for u,v,label in it: File "sage/ext/interrupt.pyx", line 183, in sage.ext.interrupt.sage_python_check_interrupt (build/cythonized/sage/ext/interrupt.c:1674) sig_check() File "sage/ext/interrupt.pyx", line 71, in sage.ext.interrupt.sig_raise_exception (build/cythonized/sage/ext/interrupt.c:808) raise KeyboardInterrupt KeyboardInterrupt