A302221 Number of n X 5 0..1 arrays with every element equal to 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

3, 146, 760, 6110, 40395, 292781, 2043848, 14419536, 101511446, 713030990, 5019470018, 35283108018, 248180957058, 1745222920651, 12274305388046, 86321053540385, 607085317234430, 4269538885720366, 30026989609915629

Offset: 1

Author

R. H. Hardin, Apr 03 2018

Keywords

• nonn

Comments

Column 5 of A302224.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210
• R. H. Hardin, Empirical recurrence of order 92

Crossrefs

Cf. A302224.

Formula

Empirical recurrence of order 92 (see link above).