A281770 Number of 6Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
0, 68, 374, 5948, 49986, 502276, 4845178, 43943360, 414035752, 3763905492, 34161108524, 309491219676, 2770210355448, 24781891977992, 220487430433918, 1953506661837984, 17268182347051482, 152093095781502104
Offset: 1
Keywords
Examples
Some solutions for n=4 ..0..0..0..0. .0..1..0..0. .0..0..0..1. .0..0..0..0. .0..0..0..0 ..0..0..0..1. .1..0..1..0. .0..0..1..1. .0..0..0..0. .0..0..0..0 ..0..0..1..1. .1..1..0..1. .0..0..1..1. .1..1..1..0. .1..1..0..0 ..0..0..1..1. .0..0..1..0. .0..1..1..1. .1..1..0..1. .1..1..1..0 ..1..1..0..0. .0..0..0..1. .1..0..1..0. .1..0..1..0. .1..1..0..1 ..1..1..0..0. .0..0..1..1. .0..1..0..1. .1..1..0..1. .1..1..1..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Crossrefs
Cf. A281765.
Comments