%I #5 Apr 28 2021 00:16:15
%S 1,2,1,1,2,1,2,5,4,7,14,16,20,63,57,108,299,347,613,2185,2276,5449,
%T 17797,25318,53655,235092,303467,840222,3331923,5849149,14333903
%N Number of planar n X n X n binary triangular grids symmetric both under 120 degree rotation and reflection with no more than 2 ones in any 5 X 5 X 5 subtriangle.
%K nonn
%O 0,2
%A _R. H. Hardin_, Jan 03 2009
|