%I #3 Dec 08 2012 13:32:29
%S 7,292,8127,219617,5804389,165087351
%N Equals two maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and vertical neighbors in a random 0..1 nX5 array
%C Column 5 of A220242
%e Some solutions for n=3
%e ..0..0..0..1..1....0..0..0..0..0....1..0..1..1..0....0..1..1..0..1
%e ..0..0..1..1..1....0..1..1..0..1....1..0..0..1..1....0..1..0..0..1
%e ..0..1..1..1..0....0..1..0..0..1....1..0..0..1..1....0..0..0..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Dec 08 2012
|