A290785 Number of irredundant sets in the n X n knight graph.

2, 16, 150, 5771, 270411, 51462132

Offset

1,1

Links

Table of n, a(n) for n=1..6.

Eric Weisstein's World of Mathematics, Irredundant Set

Eric Weisstein's World of Mathematics, Knight Graph

Crossrefs

Cf. A286882, A287071, A291099.

Sequence in context: A124578 A332566 A085510 * A209391 A259901 A209021

Adjacent sequences: A290782 A290783 A290784 * A290786 A290787 A290788

Keyword

nonn,more

Author

Eric W. Weisstein, Aug 10 2017

Extensions

a(5)-a(6) from Andrew Howroyd, Aug 19 2017

Status

approved