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%I #6 Dec 18 2015 18:17:57
%S 1,165,263725,6474088455,3326678666649639,34353493702738177260748,
%T 6970324759861265041580630860421
%N Number of n X n 0..4 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor
%C Diagonal of A203191
%e Some solutions for n=4
%e ..2..0..1..3....1..4..4..0....0..2..4..1....3..0..4..2....0..1..2..0
%e ..2..0..4..3....4..0..1..3....1..4..4..2....3..4..4..2....4..2..3..0
%e ..1..2..4..0....4..1..2..3....2..4..1..4....0..3..4..3....4..4..3..3
%e ..1..4..4..1....0..1..4..4....2..0..0..4....3..3..4..3....0..4..2..3
%K nonn
%O 1,2
%A _R. H. Hardin_ Dec 30 2011