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%I #4 Mar 11 2013 06:46:10
%S 27,222,3510,35845,440451,4336850,45780150,429855929,4210077753,
%T 38391032908,361489077216,3243365023189,29888768425389,
%U 265889740878798,2420966073903612,21447101527922685,193955683695342921
%N Number of nX3 0..2 arrays with successive rows and columns fitting to straight lines with nondecreasing slope, with a single point array taken as having zero slope
%C Column 3 of A222996
%H R. H. Hardin, <a href="/A222994/b222994.txt">Table of n, a(n) for n = 1..31</a>
%e Some solutions for n=3
%e ..2..1..2....2..1..1....0..1..0....1..1..0....1..1..0....1..1..0....2..0..0
%e ..0..1..0....0..2..0....1..2..2....1..0..0....1..1..0....2..2..2....0..1..1
%e ..0..0..1....1..1..1....0..2..1....1..2..2....0..1..2....0..2..2....0..1..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 11 2013
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