A290713 Number of irredundant sets in the n X n black bishop graph.

2, 3, 10, 46, 234, 1584, 11472, 109552, 1066194, 14035554

Offset

1,1

Links

Table of n, a(n) for n=1..10.

Eric Weisstein's World of Mathematics, Black Bishop Graph

Eric Weisstein's World of Mathematics, Irredundant Set

Crossrefs

Cf. A290712, A290714, A291060.

Sequence in context: A032204 A106643 A020116 * A308112 A020098 A013081

Adjacent sequences: A290710 A290711 A290712 * A290714 A290715 A290716

Keyword

nonn,more

Author

Eric W. Weisstein, Aug 09 2017

Extensions

a(7)-a(10) from Andrew Howroyd, Aug 19 2017

Status

approved