%I
%S 1,2,59,113,284,518,1796,3449,13001,33157,125582,347073,1750397,
%T 4967495,26187751,100593004,556134332,2202434132,16364033894,
%U 67618894318,527057394363,2923317994023,23673541188119,137414022400841
%N Number of planar n X n X n binary triangular grids symmetric both under 120 degree rotation and reflection with no more than 3 ones in any 4 X 4 X 4 subtriangle.
%K nonn
%O 0,2
%A _R. H. Hardin_ Jan 03 2009
