%I #3 Dec 08 2012 14:20:12
%S 4,37,816,7140,64258,660677,6228324,59704733,580593280,5565851685,
%T 53535536290
%N Equals two maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to exactly two of their king-move neighbors in a random 0..1 nX4 array
%C Column 4 of A220247
%e Some solutions for n=3
%e ..0..1..0..0....0..0..1..0....0..1..0..1....0..1..0..1....0..0..1..0
%e ..0..0..1..0....1..1..0..0....0..0..1..0....0..0..0..0....0..0..1..1
%e ..1..0..1..0....0..0..0..0....0..0..1..1....1..0..0..0....0..0..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Dec 08 2012