A280123 - OEIS

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A280123

Number of nX7 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.

36, 776, 11249, 171100, 2433834, 33510642, 454149404, 6104734752, 81402597805, 1075306882708, 14114438688517

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OFFSET

1,1

COMMENTS

Column 7 of A280124.

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for n=4

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

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