%I
%S 10296,64397,161040,382854,515649,859348,1018677,822030,546876,304400,
%T 132626,47650,14709,8418,4649,4432,2800,3706,2562,3674,2404,2404,2404,
%U 2404
%N Number of planar triangular n X n X n nonnegative integer grids with mirror symmetry about one altitude with every similarly oriented 5 X 5 X 5 subtriangle summing to 13.
%C Value 2404 starts at n=25 and continues through at least n=28.
%K nonn
%O 5,1
%A _R. H. Hardin_ Jan 04 2009
