A153560 - OEIS

A153560

Number of planar n X n X n binary triangular grids with no more than 6 ones in any similarly oriented 4 X 4 X 4 subtriangle.

%I #5 Apr 28 2021 00:09:16

%S 1,2,8,64,848,22202,1109397,104534239,18430578601,6145119518391,

%T 3869729452665295,4596597483881683039,10296742221918199977665

%N Number of planar n X n X n binary triangular grids with no more than 6 ones in any similarly oriented 4 X 4 X 4 subtriangle.

%K nonn

%O 0,2

%A _R. H. Hardin_, Jan 01 2009