A280216 - OEIS

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A280216

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 two elements, and with new values introduced in order 0 sequentially upwards.

30, 1072, 20593, 320755, 4245153, 51995541, 607401930, 6826834071, 74866926296, 803333083744, 8481136146360, 88284309868714, 908465381543452, 9254692532815689, 93470995500319234

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 6 of A280217.

LINKS

Table of n, a(n) for n=1..15.

EXAMPLE

Some solutions for n=3

..0..0..0..1..1..1. .0..1..1..2..2..2. .0..1..1..1..2..2. .0..1..2..2..2..2

..0..0..1..1..1..2. .0..1..1..2..2..0. .2..1..1..2..2..0. .0..0..2..2..2..1

..0..0..1..0..0..0. .1..1..1..1..0..0. .2..2..2..2..0..0. .0..0..1..1..1..1