A291060 Number of maximal irredundant sets in the n X n bishop graph.

1, 4, 30, 361, 7872, 233289, 9889000, 547419609, 38741698824, 3429774361225

Offset

1,2

Links

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

Eric Weisstein's World of Mathematics, Bishop Graph

Eric Weisstein's World of Mathematics, Maximal Irredundant Set

Formula

a(n) = A291061(n) * A291106(n) for n > 1. - Andrew Howroyd, Aug 19 2017

Crossrefs

Cf. A291061, A291106, A290714.

Sequence in context: A370928 A137341 A295899 * A166892 A336712 A185523

Adjacent sequences: A291057 A291058 A291059 * A291061 A291062 A291063

Keyword

nonn,more

Author

Eric W. Weisstein, Aug 17 2017

Extensions

a(5)-a(10) from Andrew Howroyd, Aug 19 2017

Status

approved