A285756 Number of 7 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.
0, 2896, 265920, 27339964, 3077883556, 345505561776, 40895629554933, 4788769986049492, 578161651518199128, 69329034539728070792, 8460129656506891963059, 1028996276834209548728154
Offset: 1
Keywords
Examples
Some solutions for n=2 ..0..0. .0..1. .1..0. .0..0. .1..1. .0..0. .1..1. .1..1. .1..0. .1..0 ..0..0. .1..0. .1..1. .1..1. .1..0. .0..0. .0..0. .1..0. .0..1. .1..0 ..0..0. .1..0. .0..0. .1..1. .0..1. .0..1. .0..1. .0..0. .0..1. .1..0 ..1..0. .1..1. .0..1. .1..0. .1..0. .0..0. .0..0. .0..0. .0..0. .0..0 ..1..0. .0..0. .0..0. .1..0. .0..1. .1..1. .0..1. .1..0. .0..0. .0..0 ..1..1. .1..0. .0..0. .0..0. .0..0. .1..0. .1..0. .0..0. .1..1. .1..0 ..0..0. .0..0. .0..0. .0..1. .1..0. .0..1. .1..0. .1..1. .1..1. .1..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..14
Crossrefs
Cf. A285750.
Comments