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%I
%S 1,2,4,16,48,181,930,8275,75027,1115868,15698357,385413794,9296853593,
%T 385316885091,15604629751554,1064622004776402
%N Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 6 ones in any 5 X 5 X 5 subtriangle.
%K nonn
%O 0,2
%A _R. H. Hardin_ Jan 03 2009
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