A269185 Number of nX7 0..3 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling three exactly once.

5832, 739008, 154606864, 29881402560, 5665397992608, 1052109184130840, 192247800095048896, 34666986301328823344, 6183899646434421899984, 1093211509437280016564192, 191809173606551182685393776

Offset

1,1

Comments

Column 7 of A269186.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=1
..3..0..0..1..0..2..0. .3..2..2..1..3..1..1. .0..2..1..1..0..1..1

Crossrefs

Cf. A269186.

Sequence in context: A264887 A035903 A251189 * A147859 A269151 A269213

Adjacent sequences: A269182 A269183 A269184 * A269186 A269187 A269188

Keyword

nonn

Author

R. H. Hardin, Feb 20 2016

Status

approved