%I #5 Dec 18 2015 18:18:31
%S 2,16,292,6454,136289,2715255,51831694,962697852,17643516790,
%T 323311474180
%N Number of n X n 0..1 arrays with rows, diagonals and antidiagonals unimodal
%C Diagonal of A223669
%e Some solutions for n=4
%e ..1..0..0..0....1..1..1..0....0..1..0..0....0..1..1..0....0..0..1..0
%e ..0..1..1..0....0..1..1..0....0..0..1..0....0..0..1..0....1..1..1..1
%e ..1..1..0..0....0..1..1..1....0..1..1..0....0..0..1..0....0..1..1..0
%e ..0..1..1..0....0..1..1..1....1..1..1..1....0..0..1..0....0..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 25 2013
|