(x, y)

27

524288

<type 'sage.symbolic.expression.Expression'>

(a, b, c)

<type 'sage.symbolic.expression.Expression'>

<type 'sage.symbolic.expression.Expression'>

[0, 1, 2, 3, 4]

[2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52]

[0, 1, 2, 3, 4]

1144561273430837494885949696427

[3, 27, 75, 147, 243]