%I #2 Mar 31 2012 12:35:49
%S 0,0,0,0,0,0,85,14885,4279160,2134653096,2320636820510,
%T 6138217538155860
%N Number of nX(n+4) binary matrices with rows and columns each in strictly increasing order as binary numbers and every 0 adjacent to a 1 and every 1 adjacent to a 0
%C Superdiagonal 4 of A181011
%e Some solutions for 7X11
%e ..0..1..1..1..1..1..1..1..1..1..1....0..1..1..1..1..1..1..1..1..1..1
%e ..1..0..0..0..0..0..0..0..0..0..0....1..0..0..0..0..0..0..0..0..0..0
%e ..1..0..0..1..1..1..1..1..1..1..1....1..0..0..1..1..1..1..1..1..1..1
%e ..1..0..1..0..0..0..0..1..1..1..1....1..0..1..0..0..0..0..0..0..1..1
%e ..1..0..1..0..0..1..1..0..0..0..0....1..0..1..0..0..1..1..1..1..0..0
%e ..1..0..1..0..0..1..1..0..0..1..1....1..0..1..0..1..0..0..1..1..0..1
%e ..1..0..1..0..1..0..1..0..1..0..1....1..0..1..0..1..0..1..0..1..0..0
%K nonn
%O 1,7
%A _R. H. Hardin_ Sep 30 2010