Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 12 ones in any 5 X 5 X 5 subtriangle.
A153998
Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 12 ones in any 5 X 5 X 5 subtriangle.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =16a(4) =64a(5) =499a(6) =3953a(7) =61786a(8) =971846a(9) =30167054a(10) =945677765a(11) =58569920903
External references
- oeis: A153998