The OEIS is supported by the many generous donors to the OEIS Foundation.
%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