%I #5 Apr 28 2021 00:06:55
%S 1,2,7,45,523,11039,422661,29363700,3701326718,846522284413,
%T 351279112544918,264484064187115475,361309917557640153256,
%U 895557464235637917670130,4027543439600489230428646003
%N Number of planar n X n X n binary triangular grids with no more than 2 ones in any similarly oriented 2 X 2 X 2 subtriangle.
%K nonn
%O 0,2
%A _R. H. Hardin_, Jan 01 2009
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