A153574 - OEIS

A153574

Number of planar n X n X n binary triangular grids with no more than 12 ones in any similarly oriented 5 X 5 X 5 subtriangle.

%I #5 Apr 28 2021 00:12:13

%S 1,2,8,64,1024,32647,2077283,263780971,66847941821,33808278361085,

%T 34122529738063477,68729763733145691579,276270363504278466732083

%N Number of planar n X n X n binary triangular grids with no more than 12 ones in any similarly oriented 5 X 5 X 5 subtriangle.

%K nonn

%O 0,2

%A _R. H. Hardin_, Jan 01 2009