A326103 Number of n X 6 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
32, 1490, 31236, 760989, 18773244, 463572941, 11436374461, 282167817331, 6962226034753, 171787008588901, 4238685186296128, 104585591946513522, 2580551863305980286, 63672711174351036656, 1571064779126332424276
Offset: 1
Keywords
Examples
Some solutions for n=5 ..0..0..0..1..0..0. .0..0..0..0..0..1. .0..0..0..1..0..1. .0..0..0..1..0..0 ..0..1..0..1..0..1. .0..1..1..1..1..0. .0..1..1..0..1..0. .0..1..1..0..1..0 ..0..0..1..1..0..0. .0..0..0..1..0..0. .0..0..0..0..1..0. .0..0..1..1..1..1 ..0..1..0..1..0..1. .0..1..0..0..1..0. .0..1..1..1..0..0. .0..1..0..0..0..0 ..0..0..1..1..1..0. .0..0..1..0..1..1. .0..0..1..0..1..1. .0..1..0..1..0..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Crossrefs
Cf. A326105.
Comments