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%I #5 Dec 18 2015 18:18:26
%S 1,4,9,12,24,30,49,58,73
%N Sum of neighbor maps: log base 2 of the number of n X n binary arrays indicating the locations of corresponding elements equal to the sum mod 2 of their horizontal, diagonal and antidiagonal neighbors in a random 0..1 n X n array
%C Diagonal of A221356
%e Some solutions for n=3
%e ..0..0..1....0..0..1....0..1..1....1..1..0....0..1..0....1..0..1....0..1..1
%e ..0..0..1....1..0..1....0..1..0....1..1..0....1..0..1....0..0..0....1..1..1
%e ..0..0..0....1..1..0....0..1..1....0..0..1....1..1..0....0..0..1....0..0..1
%K nonn
%O 1,2
%A _R. H. Hardin_ Jan 12 2013
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