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%I #3 Mar 31 2012 12:35:21
%S 10,23,31,35,27,29,27,29,27,29,27,29,27,29,27,29,27,29,27,29,27,29,27,
%T 29,27,29,27,29,27,29,27,29,27,29,27,29,27,29,27,29,27,29,27,29,27,29,
%U 27,29,27,29,27,29,27,29,27,29,27,29,27
%N Number of planar triangular n X n X n nonnegative integer grids with every similarly oriented 2 X 2 X 2 subtriangle summing to 3.
%C Pattern 27 29 starts at n=6 and continues through at least n=60.
%e Maximal zeros solution for n=6
%e .......0
%e ......0.3
%e .....3.0.0
%e ....0.0.3.0
%e ...0.3.0.0.3
%e ..3.0.0.3.0.0
%K nonn
%O 2,1
%A _R. H. Hardin_ Jan 04 2009
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