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%I #5 Apr 28 2021 00:11:14
%S 1,2,8,64,1023,27824,1518130,161027087,32975856442,12956875592101,
%T 9739126432448652
%N Number of planar n X n X n binary triangular grids with no more than 9 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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