Number of planar n X n X n binary triangular grids with no more than 4 ones in any similarly oriented 4 X 4 X 4 subtriangle.
A153558
Number of planar n X n X n binary triangular grids with no more than 4 ones in any similarly oriented 4 X 4 X 4 subtriangle.
Terms
- a(0) =1a(1) =2a(2) =8a(3) =57a(4) =386a(5) =5902a(6) =157442a(7) =6760327a(8) =444864808a(9) =50253619003
External references
- oeis: A153558