A291061 Number of maximal irredundant sets in the n X n black bishop graph.

1, 2, 5, 19, 96, 483, 3625, 23397, 222454, 1851965

Offset

1,2

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, Maximal Irredundant Set

Crossrefs

Cf. A291060, A291106, A290714.

Sequence in context: A020109 A020015 A363210 * A188914 A049984 A052866

Adjacent sequences: A291058 A291059 A291060 * A291062 A291063 A291064

Keyword

nonn,more

Author

Eric W. Weisstein, Aug 17 2017

Extensions

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

Status

approved