%I
%S 2,16,218,2962,36947,428187,4682514,49045356,497721760,4944054774
%N Number of n X n 0..1 arrays with rows, columns, diagonals and antidiagonals unimodal
%C Diagonal of A223644
%e Some solutions for n=4
%e ..0..0..0..1....0..0..1..0....1..1..1..0....0..0..0..0....0..0..0..1
%e ..0..0..1..1....1..1..0..0....0..1..1..0....1..0..0..0....1..1..1..0
%e ..0..1..1..1....0..1..0..0....0..0..1..0....0..0..0..1....0..0..0..0
%e ..0..1..1..0....0..1..0..0....0..0..0..1....0..1..0..0....0..0..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 24 2013
