A296828 Number of n X n 0..1 arrays with each 1 adjacent to 0, 3 or 5 king-move neighboring 1's.
2, 6, 43, 573, 14379, 706534, 67007971, 12228697715, 4321362259224, 2948102949160889
Offset: 1
Keywords
Examples
Some solutions for n=5 ..1..0..0..0..0. .1..0..0..1..0. .0..0..1..0..0. .0..0..0..0..0 ..0..0..0..0..1. .0..0..0..0..0. .0..0..0..0..0. .1..1..0..0..1 ..1..0..0..0..0. .0..0..1..0..1. .1..1..0..0..1. .1..1..0..0..0 ..0..0..0..0..1. .0..0..0..0..0. .1..1..0..0..0. .0..0..0..0..0 ..1..0..1..0..0. .1..0..1..0..1. .1..1..0..0..0. .0..1..0..0..0
Crossrefs
Cf. A296834.
Comments