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%I #5 Jan 01 2024 19:23:41
%S 4,89,3167,56819,984087,16290350,264901883
%N Equals two maps: number of n X 4 binary arrays indicating the locations of corresponding elements equal to exactly two of their king-move neighbors in a random 0..2 n X 4 array.
%C Column 4 of A220319.
%e Some solutions for n=3
%e ..1..0..0..0....0..0..0..1....1..1..0..0....1..0..1..0....1..0..0..1
%e ..1..0..1..0....1..1..0..0....0..0..1..1....0..1..1..0....0..1..0..0
%e ..0..0..1..0....0..0..0..1....1..0..1..0....0..0..1..0....0..1..1..0
%Y Cf. A220319.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 10 2012