A298545 Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero.

5, 793, 18500, 367315, 7967553, 173576070, 3761355239, 81677753297, 1774108927621, 38529111050778, 836821808212497, 18175723084272581, 394774116052009271, 8574453535228015931, 186236792256052520405

Offset

1,1

Comments

Column 6 of A298547.

Links

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

Example

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

Crossrefs

Cf. A298547.

Sequence in context: A195612 A051304 A297921 * A298335 A299396 A299226

Adjacent sequences: A298542 A298543 A298544 * A298546 A298547 A298548

Keyword

nonn

Author

R. H. Hardin, Jan 21 2018

Status

approved