Number of directed Hamiltonian cycles in the n X n X n triangular grid.

A174589

Number of directed Hamiltonian cycles in the n X n X n triangular grid.

Terms

    a(0) =1a(1) =2a(2) =2a(3) =6a(4) =52a(5) =948a(6) =34428a(7) =2742908a(8) =463849560a(9) =164734305828

External references