Number of Hamiltonian circuits within parallelograms of size 5 X n on the triangular lattice.

A339852

Number of Hamiltonian circuits within parallelograms of size 5 X n on the triangular lattice.

Terms

    a(0) =1a(1) =44a(2) =549a(3) =7104a(4) =104100a(5) =1475286a(6) =20842802a(7) =295671198a(8) =4190083085a(9) =59374628434a(10) =841470846944

External references