Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 1 one in any 2 X 2 X 2 subtriangle.
A153897
Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 1 one in any 2 X 2 X 2 subtriangle.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =6a(4) =10a(5) =38a(6) =84a(7) =462a(8) =1454a(9) =10978a(10) =47966a(11) =507832a(12) =3102956a(13) =45765610a(14) =389928206a(15) =8030198134a(16) =95507073248
External references
- oeis: A153897