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.
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.
Terms
- a(0) =1a(1) =2a(2) =8a(3) =63a(4) =981a(5) =30204a(6) =1838258a(7) =221168494a(8) =52603569364
External references
- oeis: A153554