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%I #3 Dec 18 2015 18:17:26
%S 1,1,1,3,21,613,58894,17001258,14824281524,39871721434052
%N Number of n X n binary matrices with rows and columns each in strictly increasing order as binary numbers and each row and column having an odd number of 1s
%C Diagonal of A181000
%e All solutions for 4X4
%e ..0..0..0..1....0..0..0..1....0..1..1..1
%e ..0..0..1..0....0..0..1..0....1..0..1..1
%e ..0..1..0..0....0..1..1..1....1..1..0..1
%e ..1..0..0..0....1..0..1..1....1..1..1..0
%K nonn
%O 1,4
%A _R. H. Hardin_ Sep 30 2010
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