%I #3 Mar 31 2012 12:35:22
%S 378,3930,3121,12164,6241,21168,6550,13276,3181,6207,1260,3165,1024,
%T 3226,983,2793,935,3076,935,2781,935,3076,935,2781,935,3076,935,2781,
%U 935,3076,935,2781,935,3076,935,2781,935,3076,935,2781,935,3076,935,2781,935,3076
%N Number of planar triangular n X n X n nonnegative integer grids with mirror symmetry about one altitude with every similarly oriented 4 X 4 X 4 subtriangle summing to 10.
%C Pattern 935 3076 935 2781 starts at n=20 and continues through at least n=52.
%K nonn
%O 4,1
%A _R. H. Hardin_ Jan 04 2009