%I #6 Dec 18 2015 18:17:55
%S 5,10,92,1225,4919,752271,29555346,1278883650,65182166083,731587297275
%N Number of n X n 0..4 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other
%C Diagonal of A200990
%e Some solutions for n=3
%e ..0..0..1....0..2..3....0..1..2....0..0..2....0..1..1....0..1..3....0..2..2
%e ..1..3..4....1..2..4....0..2..3....1..2..3....2..3..4....0..1..4....1..3..3
%e ..2..3..4....1..3..4....1..4..4....1..3..4....2..3..4....2..2..4....1..4..4
%K nonn
%O 1,1
%A _R. H. Hardin_ Nov 25 2011
