Number of perfect matchings (or domino tilings) in the graph P_9 X P_2n.

A028471

Number of perfect matchings (or domino tilings) in the graph P_9 X P_2n.

Terms

    a(0) =1a(1) =55a(2) =6336a(3) =817991a(4) =108435745a(5) =14479521761

External references