%I #5 Apr 28 2021 00:10:41
%S 1,2,8,63,638,4944,107290,4122772,252553968,22777499394,2983659891399,
%T 672402701915613
%N Number of planar n X n X n binary triangular grids with no more than 5 ones in any similarly oriented 5 X 5 X 5 subtriangle.
%K nonn
%O 0,2
%A _R. H. Hardin_, Jan 01 2009
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