A279164 Number of nX4 0..1 arrays with no element equal to a strict majority of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

3, 8, 117, 864, 5628, 34764, 203226, 1143396, 6219491, 33013384, 171939641, 880916518, 4451397177, 22233587926, 109941169416, 538893155258, 2621198787932, 12662917887190, 60802741447447, 290361255593144

Offset: 1

Author

R. H. Hardin, Dec 07 2016

Keywords

• nonn

Comments

Column 4 of A279168.

Examples

			Some solutions for n=4
..0..0..0..1. .0..0..0..1. .0..1..0..1. .0..1..0..1. .0..1..0..1
..1..1..0..1. .1..1..1..1. .1..0..0..1. .1..1..0..1. .0..0..0..1
..0..1..1..0. .0..0..1..0. .0..1..1..0. .0..0..1..0. .1..1..0..1
..0..1..0..1. .1..0..1..0. .0..1..1..0. .1..0..0..1. .0..0..1..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..250
• R. H. Hardin, Empirical recurrence of order 84

Crossrefs

Cf. A279168.

Formula

Empirical recurrence of order 84 (see link above)