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A220317 Equals two maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to exactly two of their king-move neighbors in a random 0..2 nX3 array 0

%I #3 Dec 10 2012 16:31:42

%S 2,24,353,3167,28215,237144,1944692,15735116,126513306,1014237718,

%T 8120891182,64989221681,519982144806,4160063431147

%N Equals two maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to exactly two of their king-move neighbors in a random 0..2 nX3 array

%C Column 3 of A220319

%e Some solutions for n=3

%e ..0..1..0....0..0..0....1..1..1....1..0..0....1..1..0....0..1..1....0..0..0

%e ..0..1..1....1..1..1....0..1..1....0..0..0....1..1..0....1..0..0....0..0..1

%e ..0..0..1....0..1..0....0..0..0....1..0..1....1..0..1....0..1..0....1..0..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 10 2012

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)