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%I #6 Apr 28 2021 00:02:00
%S 1,2,7,44,487,9548,330644,20241284,2189838823,418717329192,
%T 141498666489433,84510319691113604,89205606502160918487,
%U 166417820194039911511676,548697154280844534323051836
%N Number of planar n X n X n binary triangular grids with no more than 2 ones in any 2 X 2 X 2 subtriangle.
%K nonn
%O 0,2
%A _R. H. Hardin_, Jan 01 2009
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