%I
%S 1,2,8,57,386,1941,27034,643985,22001658,944060136,51294296160,
%T 4601871901192
%N Number of planar n X n X n binary triangular grids with no more than 4 ones in any 5 X 5 X 5 subtriangle.
%K nonn
%O 0,2
%A _R. H. Hardin_, Jan 01 2009
