Number of spanning trees in P_4 X P_n.

A003696

Number of spanning trees in P_4 X P_n.

Terms

    a(0) =1a(1) =56a(2) =2415a(3) =100352a(4) =4140081a(5) =170537640a(6) =7022359583a(7) =289143013376

External references