Number of perfect matchings in the graph Q_3 X C_n.
A220866
Number of perfect matchings in the graph Q_3 X C_n.
Terms
- a(0) =9a(1) =272a(2) =13680a(3) =589185a(4) =8569929a(5) =275875712a(6) =5108424393a(7) =145226575873
External references
- oeis: A220866