A280282 - OEIS

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A280282

Number of nX5 0..2 arrays with no element equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

8, 2894, 259040, 18844474, 1240628942, 77217209188, 4633270354464, 270955366695864, 15546377295977053, 878972943594068704, 49118677321905379365, 2718859223224974395528, 149313335035761869484749

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OFFSET

1,1

COMMENTS

Column 5 of A280284.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..46

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS