A291098 Number of maximal irredundant sets in the n X n king graph.

1, 4, 12, 266, 4087, 216185, 13731833, 2373155507, 746775944641

Offset

1,2

Links

Table of n, a(n) for n=1..9.

Eric Weisstein's World of Mathematics, King Graph

Eric Weisstein's World of Mathematics, Maximal Irredundant Set

Crossrefs

Sequence in context: A286881 A366822 A360498 * A009506 A299808 A085116

Adjacent sequences: A291095 A291096 A291097 * A291099 A291100 A291101

Keyword

nonn,more

Author

Eric W. Weisstein, Aug 17 2017

Extensions

a(5) from Eric W. Weisstein, Sep 08 2021

a(6)-a(9) from Christian Sievers, Nov 22 2023

Status

approved