A302805 Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

16, 384, 5117, 74072, 1089773, 15904814, 232260380, 3396923500, 49653502029, 725819333902, 10610883930284, 155117154439613, 2267613174993517, 33149833862902867, 484610500065661957, 7084420896663049377

Offset: 1

Author

R. H. Hardin, Apr 13 2018

Keywords

• nonn

Comments

Column 5 of A302808.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210
• R. H. Hardin, Empirical recurrence of order 90

Crossrefs

Cf. A302808.

Formula

Empirical recurrence of order 90 (see link above)