Number of perfect matchings in graph P_{2} X P_{5} X P_{n}.

A028449

Number of perfect matchings in graph P_{2} X P_{5} X P_{n}.

Terms

    a(0) =1a(1) =8a(2) =450a(3) =14320a(4) =535229a(5) =19114420a(6) =692276437a(7) =24972353440a(8) =901990734650

External references