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%I #3 Mar 31 2012 12:35:21
%S 1,2,4,16,48,338,2112,27873,325940,7927215,173294023,7887044079,
%T 319688425834,27098632121268,2049789115719959,323784392678130807,
%U 45665932705751433387,13440450508552654148691
%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 4 X 4 X 4 subtriangle.
%K nonn
%O 0,2
%A _R. H. Hardin_ Jan 03 2009
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