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%I #5 Jan 20 2024 13:37:01
%S 8,74,691,6255,58217,530196,4787009,42979644,385002942,3443191561,
%T 30764444125
%N Equals one maps: number of n X 4 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, vertical and antidiagonal neighbors in a random 0..1 n X 4 array.
%C Column 4 of A220461.
%e Some solutions for n=3
%e ..1..0..1..1....1..0..0..1....0..1..1..1....0..1..0..0....1..0..0..1
%e ..0..0..0..1....0..0..1..1....0..0..0..0....0..0..0..1....0..0..0..0
%e ..1..0..0..1....1..0..0..0....1..1..0..1....0..1..1..1....0..0..1..0
%Y Cf. A220461.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 15 2012
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