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A185408 1/7 the number of nX5 0..6 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors 0

%I #6 Mar 31 2012 12:36:01

%S 13,22656,12205368,9560464068,6409594156632

%N 1/7 the number of nX5 0..6 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors

%C Column 5 of A185409

%e Some solutions for 3X5 with a(1,1)=0

%e ..0..0..1..0..1....0..0..0..5..5....0..0..0..6..6....0..0..2..2..4

%e ..0..0..1..0..1....0..1..1..3..0....0..1..1..4..4....0..1..1..6..4

%e ..4..4..2..2..2....0..0..0..3..0....3..3..3..4..4....3..3..1..6..4

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 26 2011

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Last modified February 28 01:06 EST 2024. Contains 370379 sequences. (Running on oeis4.)