A298998 Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.

16, 472, 6479, 97462, 1502511, 23031390, 353088569, 5420414253, 83214520668, 1277503835363, 19613353956412, 301126423566543, 4623243598098878, 70981647492926722, 1089798075952103889, 16731935000766925329

Offset

1,1

Comments

Column 5 of A299001.

Links

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

Example

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

Crossrefs

Cf. A299001.

Sequence in context: A281834 A299078 A299841 * A299743 A299665 A300256

Adjacent sequences: A298995 A298996 A298997 * A298999 A299000 A299001

Keyword

nonn

Author

R. H. Hardin, Jan 31 2018

Status

approved