A285158 Number of 7 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.
0, 3752, 314197, 36367674, 3943470769, 448765516394, 52105131287528, 6154165757308640, 735304860260893623, 88615482354663882652, 10750513270733637895616, 1311121613505876821936074
Offset: 1
Keywords
Examples
Some solutions for n=2 ..0..0. .1..1. .1..1. .1..1. .0..1. .1..1. .1..0. .0..1. .0..1. .1..0 ..1..1. .1..1. .1..0. .1..0. .0..1. .0..0. .0..1. .1..0. .0..0. .0..0 ..0..0. .0..0. .0..0. .0..1. .0..0. .1..0. .1..1. .0..1. .1..0. .0..1 ..1..0. .1..0. .0..0. .0..1. .0..1. .0..1. .1..0. .0..0. .1..1. .1..0 ..1..0. .0..1. .1..0. .0..0. .1..1. .0..1. .0..1. .1..0. .1..1. .0..0 ..1..0. .1..0. .0..1. .0..1. .1..0. .1..0. .0..0. .1..1. .1..1. .1..0 ..0..0. .0..0. .0..1. .1..0. .0..1. .1..0. .0..0. .0..0. .1..0. .1..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..24
Crossrefs
Cf. A285152.
Comments