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%I #4 Nov 27 2013 10:25:18
%S 2,2,7,7,186,2004,27453,419803
%N Number of (n+2)X(n+2) 0..1 arrays x(i,j) with every row sum{j*x(i,j), j=1..n+2} equal, and every column sum{i*x(i,j), i=1..n+2} equal, with upper left element zero
%C Diagonal of A232654
%e Some solutions for n=5
%e ..0..1..0..0..1..0..1....0..0..1..0..1..1..0....0..1..0..0..1..0..1
%e ..0..1..0..0..1..0..1....0..1..0..0..1..0..1....1..1..0..0..1..1..0
%e ..1..0..1..1..0..1..0....1..0..1..1..0..1..0....1..0..1..1..0..1..0
%e ..1..0..0..0..0..1..1....0..0..1..0..1..1..0....1..1..0..0..1..1..0
%e ..0..1..1..1..1..0..0....1..1..0..1..0..0..1....1..0..1..1..0..1..0
%e ..0..1..1..1..1..0..0....1..0..1..1..0..1..0....0..0..1..1..0..0..1
%e ..1..0..0..0..0..1..1....0..1..0..0..1..0..1....0..1..0..0..1..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 27 2013
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