A300213 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
32, 2048, 86775, 4023881, 186427449, 8664017314, 402932952786, 18741286700978, 871742323938453, 40549251015486612, 1886161222951010871, 87735473878569363763, 4081048501162756431234, 189831515389760442425217
Offset: 1
Keywords
Examples
Some solutions for n=5 ..0..0..0..1..0..0. .0..1..1..1..0..1. .0..1..1..0..0..1. .0..0..1..1..0..1 ..0..0..1..1..0..1. .0..0..1..1..1..0. .0..0..1..0..0..0. .0..0..0..1..1..0 ..0..0..0..1..0..0. .0..0..0..1..0..1. .0..0..0..1..1..1. .0..0..0..0..0..0 ..0..0..0..1..0..0. .0..0..0..0..1..1. .0..0..0..1..0..1. .0..0..0..0..1..1 ..0..0..1..1..0..0. .0..1..0..1..0..1. .0..1..0..1..0..0. .0..1..0..0..0..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Crossrefs
Cf. A300215.
Comments