A296951 Number of nX7 0..1 arrays with each 1 adjacent to 1, 3 or 5 king-move neighboring 1s.
13, 608, 5763, 86139, 1898178, 29067775, 482228052, 8786244680, 148081034460, 2527093956658, 44081436520906, 756410616073885, 13001520369777372, 224610561730578221, 3867018822679814785, 66587006212100036798
Offset: 1
Keywords
Examples
Some solutions for n=4 ..0..1..0..0..0..1..0. .0..1..0..1..1..0..0. .0..1..1..0..0..0..0 ..0..1..0..0..0..0..1. .1..0..0..0..0..0..0. .0..1..1..0..0..0..0 ..0..0..0..0..0..0..0. .0..0..1..1..1..1..1. .0..0..0..0..1..1..1 ..0..1..1..0..1..1..0. .0..0..0..0..1..0..0. .0..0..0..0..1..1..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Crossrefs
Cf. A296952.
Comments