Alternating sign matrices of size 6
7436
140
132
Finite poset containing 48 elements
Finite poset containing 19 elements
Finite lattice containing 132 elements
Finite poset containing 24 elements
42
Finite poset containing 10 elements
Finite lattice containing 42 elements
Finite lattice containing 42 elements
Alternating sign matrices of size 4
42
42
Finite poset containing 48 elements
[0 1 0 0]
[1 0 0 0]
[0 0 1 0]
[0 0 0 1]
[1 0 0 0]
[0 0 1 0]
[0 1 0 0]
[0 0 0 1]
[1 0 0 0]
[0 1 0 0]
[0 0 0 1]
[0 0 1 0]
[ 1 0 0 0]
[ 0 1 0 0]
[ 0 0 1 0]
[ 0 0 0 -1]