A295912 Number of n X n 0..1 arrays with each 1 adjacent to 0 or 3 king-move neighboring 1's.
2, 6, 39, 467, 10290, 431844, 33703065, 4933593439, 1353357158724, 695062929397500, 668849535352606829, 1205528922118577365911
Offset: 1
Keywords
Examples
Some solutions for n=5 ..0..0..0..0..0. .1..0..0..0..0. .1..0..1..0..1. .0..0..0..0..0 ..0..1..0..0..0. .0..0..1..0..1. .0..0..0..0..0. .0..0..1..0..0 ..0..0..0..0..1. .0..0..0..0..0. .0..0..0..0..0. .1..0..0..0..1 ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..1..1. .0..0..0..0..0 ..1..0..0..0..1. .0..0..1..0..0. .0..1..0..1..1. .0..0..0..0..0
Crossrefs
Cf. A295918.
Comments