%I
%S 1,286,1055370,78243755382,168179371998322692,
%T 10124772353743869083346802
%N Number of n X n 0..5 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor
%C Diagonal of A203057
%e Some solutions for n=5
%e ..2..1..3..2..5....4..3..1..2..2....0..5..3..1..5....3..5..4..2..1
%e ..3..0..5..4..5....4..5..0..4..5....5..5..1..2..5....3..5..4..3..4
%e ..3..2..5..5..3....4..5..4..5..5....1..0..5..1..5....2..2..2..1..4
%e ..2..2..5..0..2....2..4..4..0..1....2..3..5..5..4....3..5..1..0..2
%e ..2..0..1..2..2....4..4..4..1..0....3..3..4..4..3....3..5..5..1..2
%K nonn
%O 1,2
%A _R. H. Hardin_ Dec 28 2011
