1,3

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

Eric Weisstein's World of Mathematics, Maximal Irredundant Set

Eric Weisstein's World of Mathematics, Knight Graph

Cf. A286882, A287071, A290785.

Sequence in context: A215544 A205353 A279113 * A053101 A205746 A281607

Adjacent sequences: A291096 A291097 A291098 * A291100 A291101 A291102

nonn,more

Eric W. Weisstein, Aug 17 2017

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

approved