%I #2 Mar 31 2012 12:35:50
%S 8,48,766,28924,3409059,1126220822
%N Number of nX(n+2) binary matrices M with rows in strictly increasing order and rows of M*Mtranspose (mod 2) in strictly decreasing order
%C Superdiagonal 2 of A181274
%e M and M*Mtranspose (mod 2) for 3X5
%e ..0..0..0..1..0......1..1..1
%e ..0..1..0..1..1......1..1..0
%e ..1..1..0..1..0......1..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Oct 10 2010