A300602 Number of nX5 0..1 arrays with every element equal to 0, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

1, 13, 23, 141, 615, 2394, 11752, 56417, 267220, 1288938, 6174598, 29660929, 142473501, 684767996, 3289838593, 15810180948, 75973685362, 365101919123, 1754526797629, 8431612710548, 40519184505939, 194720508520524

Offset

1,2

Comments

Column 5 of A300605.

Links

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

Example

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

Crossrefs

Cf. A300605.

Sequence in context: A039448 A299361 A089768 * A185684 A018945 A018958

Adjacent sequences: A300599 A300600 A300601 * A300603 A300604 A300605

Keyword

nonn

Author

R. H. Hardin, Mar 09 2018

Status

approved