A280122 Number of nX6 0..2 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

14, 252, 2852, 31608, 330254, 3348206, 33510642, 330506508, 3241940520, 31500155624, 304370256664, 2922696694266, 27932620556714, 265729171209766, 2518249996762578, 23780111570986516, 223861001579411416

Offset

1,1

Comments

Column 6 of A280124.

Links

R. H. Hardin, Table of n, a(n) for n = 1..186

Example

Some solutions for n=4
..0..1..1..0..0..0. .0..0..1..1..1..1. .0..0..0..1..1..2. .0..0..1..1..0..0
..0..1..1..0..0..2. .0..2..1..0..0..1. .0..0..1..1..2..2. .0..0..1..2..0..0
..1..1..1..2..2..2. .1..1..0..0..0..1. .1..1..0..0..2..1. .0..0..1..1..1..0
..1..1..2..2..2..2. .1..1..0..0..1..1. .1..0..0..0..1..1. .0..1..1..1..1..0

Crossrefs

Cf. A280124.

Sequence in context: A055477 A123774 A074815 * A051622 A113377 A318596

Adjacent sequences: A280119 A280120 A280121 * A280123 A280124 A280125

Keyword

nonn

Author

R. H. Hardin, Dec 26 2016

Status

approved