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 A185824 1/5 the number of nX8 0..4 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors 0
 181, 3701360, 26231137608, 247462638659680, 2112817100467905536 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 8 of A185825 LINKS EXAMPLE Some solutions for 4X8 with a(1,1)=0 ..0..0..0..0..2..2..2..2....0..0..0..0..4..4..3..3....0..0..0..0..3..3..2..2 ..0..1..1..0..0..3..3..1....0..1..1..0..0..1..3..3....0..1..1..0..0..3..3..3 ..0..0..0..1..1..0..0..1....0..0..0..1..1..1..4..4....0..0..0..1..1..2..2..2 ..1..1..0..0..0..0..1..1....1..1..0..0..0..0..0..4....1..1..0..0..0..0..0..2 CROSSREFS Sequence in context: A189778 A107075 A066626 * A204378 A054985 A124185 Adjacent sequences:  A185821 A185822 A185823 * A185825 A185826 A185827 KEYWORD nonn AUTHOR R. H. Hardin Feb 05 2011 STATUS approved

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