A299652 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.

32, 2048, 116654, 6856789, 401989538, 23582064542, 1383316377321, 81146123707386, 4760069868306954, 279228031443069248, 16379652618721023225, 960838424607723816457, 56363251335370746218101, 3306295856088555646566574

Offset: 1

Author

R. H. Hardin, Feb 15 2018

Keywords

• nonn

Comments

Column 6 of A299654.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210
• R. H. Hardin, Empirical recurrence of order 89

Crossrefs

Cf. A299654.

Formula

Empirical recurrence of order 89 (see link above)