A282994 Number of nX6 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors.
44, 865, 19587, 435027, 9706901, 216173426, 4817792042, 107354061547, 2392171690343, 53305366529469, 1187812241964789, 26468219711250515, 589796016644509708, 13142526595924490676, 292857199578979575159
Offset: 1
Keywords
Examples
Some solutions for n=5 ..0..0..0..0..0..0. .0..0..0..0..0..0. .0..0..0..0..1..1. .0..0..0..1..1..0 ..0..0..0..1..0..1. .0..0..0..1..0..0. .0..0..0..0..0..0. .0..0..0..0..0..0 ..0..0..0..0..0..1. .0..0..0..1..0..0. .0..0..0..0..1..0. .0..0..0..0..0..1 ..0..0..0..1..0..0. .0..0..0..0..0..0. .0..1..0..0..0..1. .0..1..1..0..0..1 ..1..0..0..1..0..1. .1..0..0..0..1..0. .0..0..1..1..0..1. .1..0..0..0..1..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
- R. H. Hardin, Empirical recurrence of order 69
Crossrefs
Cf. A282996.
Formula
Empirical recurrence of order 69 (see link above)
Comments