%I #4 Sep 23 2013 07:18:38
%S 259,31111,2985887,262875231,22257074415,1848069959519,
%T 151774667013519,12382804872500671,1006185589087041647,
%U 81552560198330864159,6599400414062223445967,533498052669478639566975
%N Number of nX3 0..6 arrays of the sum of the corresponding element, the element to the east and the element to the south in a larger (n+1)X4 0..2 array
%C Column 3 of A229437
%H R. H. Hardin, <a href="/A229433/b229433.txt">Table of n, a(n) for n = 1..21</a>
%e Some solutions for n=2
%e ..4..2..6....3..1..0....0..4..4....5..3..6....4..1..1....4..3..3....5..2..3
%e ..3..3..6....4..1..1....2..5..1....3..2..6....1..2..3....2..5..5....1..3..6
%K nonn
%O 1,1
%A _R. H. Hardin_ Sep 23 2013