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A153554 Number of planar n X n X n binary triangular grids with no more than 5 ones in any similarly oriented 3 X 3 X 3 subtriangle. 0

%I #7 Apr 28 2021 00:08:11

%S 1,2,8,63,981,30204,1838258,221168494,52603569364,24733230863897,

%T 22989019296091325,42240982234024058721,153433971895782184082591,

%U 1101749861754584729817380799,15639340662707098047927162649965

%N Number of planar n X n X n binary triangular grids with no more than 5 ones in any similarly oriented 3 X 3 X 3 subtriangle.

%K nonn

%O 0,2

%A _R. H. Hardin_, Jan 01 2009

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Last modified April 23 08:14 EDT 2024. Contains 371905 sequences. (Running on oeis4.)