Number of Hamiltonian cycles in the Cartesian product graph K_2 times K_n.
A276356
Number of Hamiltonian cycles in the Cartesian product graph K_2 times K_n.
Terms
- a(0) =0a(1) =1a(2) =3a(3) =30a(4) =480a(5) =12000a(6) =430920a(7) =21052080a(8) =1343381760a(9) =108519626880
External references
- oeis: A276356