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Number of (n+2)X(5+2) 0..1 arrays x(i,j) with every row sum{j*x(i,j), j=1..5+2} equal, and every column sum{i*x(i,j), i=1..n+2} equal, with upper left element zero
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%I #3 Nov 27 2013 10:27:45

%S 5,5,1,1,186,557,1,1,31989,139905,19105,27769,14704013,73506613,1,1

%N Number of (n+2)X(5+2) 0..1 arrays x(i,j) with every row sum{j*x(i,j), j=1..5+2} equal, and every column sum{i*x(i,j), i=1..n+2} equal, with upper left element zero

%C Column 5 of A232654

%e Some solutions for n=5

%e ..0..1..0..0..1..0..1....0..1..1..1..1..0..0....0..1..1..1..1..0..1

%e ..1..0..1..1..0..1..0....0..1..0..0..1..0..1....1..1..0..0..1..1..1

%e ..0..1..0..0..1..0..1....1..0..1..1..0..1..0....1..1..1..1..1..1..0

%e ..0..1..0..0..1..0..1....0..1..1..1..1..0..0....1..1..1..1..1..1..0

%e ..1..0..1..1..0..1..0....1..0..0..0..0..1..1....1..1..0..0..1..1..1

%e ..0..1..0..0..1..0..1....1..0..1..1..0..1..0....0..1..1..1..1..0..1

%e ..1..0..1..1..0..1..0....0..1..0..0..1..0..1....1..0..1..1..0..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 27 2013