A298968 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.

32, 2048, 80972, 3740381, 170137416, 7785598672, 356356552103, 16312003284843, 746698046920333, 34181115229827771, 1564687555985990215, 71625762302968232113, 3278769787462125741510, 150090290173413011810518

Offset

1,1

Comments

Column 6 of A298970.

Links

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

Example

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

Crossrefs

Cf. A298970.

Sequence in context: A316958 A316813 A320369 * A299738 A317563 A302739

Adjacent sequences: A298965 A298966 A298967 * A298969 A298970 A298971

Keyword

nonn

Author

R. H. Hardin, Jan 30 2018

Status

approved