%I #5 Apr 28 2021 00:09:08

%S 1,2,8,63,638,13426,519839,35668242,4237905865,910482241277,

%T 350815326279280,240960455080921687,294823444878274587128

%N Number of planar n X n X n binary triangular grids with no more than 5 ones in any similarly oriented 4 X 4 X 4 subtriangle.

%K nonn

%O 0,2

%A _R. H. Hardin_, Jan 01 2009