%I #5 Mar 31 2012 12:36:43
%S 20,5,402,117,5252,758,35810,4788,182640,18486,743288,78155,2551706,
%T 217720,7481114,653018,20218442,1605125,49306390,3853884,111522844,
%U 8139750,238718470,17696623,483325794,33393124,928163494,64732125
%N Number of nX3 0..5 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other
%C Column 3 of A201142
%H R. H. Hardin, <a href="/A201137/b201137.txt">Table of n, a(n) for n = 1..74</a>
%e Some solutions for n=8
%e ..0..0..2....0..0..2....0..0..1....0..0..1....0..0..1....0..1..2....0..0..1
%e ..0..0..2....0..1..2....0..0..2....0..0..2....0..2..2....0..1..4....0..0..3
%e ..1..2..3....0..2..3....1..1..3....1..1..3....0..2..4....0..1..4....1..2..3
%e ..1..3..4....1..2..3....1..2..3....1..2..4....1..3..4....0..1..4....1..2..4
%e ..1..3..5....1..3..3....2..2..5....2..3..4....1..3..4....2..3..4....1..3..5
%e ..1..4..5....1..4..4....3..3..5....2..3..4....1..3..5....2..3..5....2..4..5
%e ..2..4..5....4..5..5....4..4..5....3..4..5....2..3..5....2..3..5....2..4..5
%e ..3..4..5....4..5..5....4..4..5....5..5..5....4..5..5....3..5..5....3..4..5
%K nonn
%O 1,1
%A _R. H. Hardin_ Nov 27 2011
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