A302469 Number of nX5 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

3, 146, 955, 10264, 101109, 990266, 9731423, 96648626, 950374395, 9381496738, 92626827893, 913612775978, 9015590869395, 88968580592640, 877841282476575, 8662214293123940, 85475140032111187, 843418216777606436

Offset

1,1

Comments

Column 5 of A302472.

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..1..0..0. .0..0..0..1..1. .0..1..1..0..0
..1..1..1..1..1. .0..1..1..0..1. .1..1..1..0..1. .1..0..1..1..0
..1..1..0..0..1. .0..0..1..1..1. .0..0..1..1..1. .1..1..1..0..0
..0..1..0..1..1. .0..0..1..0..0. .0..0..1..1..0. .0..0..1..0..1
..1..0..0..1..1. .0..1..1..1..0. .0..0..1..0..1. .1..1..0..1..0

Crossrefs

Cf. A302472.

Sequence in context: A326803 A302221 A302667 * A303251 A203759 A203312

Adjacent sequences: A302466 A302467 A302468 * A302470 A302471 A302472

Keyword

nonn

Author

R. H. Hardin, Apr 08 2018

Status

approved