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A153524 Number of planar n X n X n binary triangular grids with no more than 3 ones in any 3 X 3 X 3 subtriangle. 0

%I

%S 1,2,8,42,418,7166,196648,9262421,735124501,97462705054,

%T 21772941967902,8177116027167826,5158458258244584078,

%U 5470968994479723869739,9752808741716616515809575

%N Number of planar n X n X n binary triangular grids with no more than 3 ones in any 3 X 3 X 3 subtriangle.

%K nonn

%O 0,2

%A _R. H. Hardin_, Jan 01 2009

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Last modified June 24 00:14 EDT 2021. Contains 345403 sequences. (Running on oeis4.)