A299727 Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

8, 3336, 430401, 47845523, 5526277711, 643936117646, 74902586591536, 8709586033088978, 1012804578306751571, 117777052657293971784, 13696030178622274574585, 1592679600129697598395922

Offset

1,1

Comments

Column 7 of A299728.

Links

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

Example

Some solutions for n=5
..0..0..0..0..1..0..1. .0..0..0..0..0..1..0. .0..0..0..1..1..1..0
..0..0..1..1..0..0..1. .0..0..1..1..0..0..1. .0..0..1..0..0..0..1
..0..0..0..0..0..1..1. .0..0..0..0..0..0..1. .0..0..0..0..1..0..1
..0..0..0..1..0..0..1. .0..0..0..0..0..1..0. .0..0..0..0..1..1..0
..0..0..1..0..1..1..0. .0..0..1..1..0..0..1. .0..0..1..1..0..0..0

Crossrefs

Cf. A299728.

Sequence in context: A299936 A299066 A299838 * A046250 A318067 A295170

Adjacent sequences: A299724 A299725 A299726 * A299728 A299729 A299730

Keyword

nonn

Author

R. H. Hardin, Feb 17 2018

Status

approved