A296127 Number of nX7 0..1 arrays with each 1 adjacent to 2 or 5 king-move neighboring 1s.
1, 121, 553, 2463, 35733, 263489, 1810441, 16855693, 138016847, 1087543621, 9228070694, 76704166206, 628908321069, 5245176224753, 43644001864720, 361707709471024, 3008980635521615, 25033019588307299, 208047564104356544
Offset: 1
Keywords
Examples
Some solutions for n=5 ..0..0..0..0..1..1..0. .0..1..0..0..0..0..0. .0..0..1..1..0..0..0 ..0..1..1..0..1..0..0. .1..1..0..0..0..0..0. .0..1..0..0..1..0..0 ..1..0..0..1..1..1..1. .0..0..0..0..0..0..0. .0..1..0..0..0..1..0 ..0..1..0..1..1..0..1. .0..1..1..0..0..1..1. .0..1..0..1..1..0..0 ..0..0..1..0..1..0..0. .0..0..1..0..0..1..0. .0..0..1..0..0..0..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Crossrefs
Cf. A296128.
Comments