%I #3 Mar 31 2012 12:35:22

%S 24310,342574,2116436,6822273,15442812,33906557

%N Number of planar triangular n X n X n nonnegative integer grids with every similarly oriented 4 X 4 X 4 subtriangle summing to 8.

%K nonn

%O 4,1

%A _R. H. Hardin_ Jan 04 2009