A301397 Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

0, 9, 44, 446, 4857, 49325, 521514, 5457161, 57311190, 601654211, 6316448607, 66317193844, 696258824443, 7310037380326, 76748138985060, 805779765484701, 8459893652740792, 88820547809627099, 932528264893178568

Offset: 1

Author

R. H. Hardin, Mar 20 2018

Keywords

• nonn

Comments

Column 5 of A301400.

Examples

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

Links

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

Crossrefs

Cf. A301400.