a(n) = (5*n+8)(!^5)/8(!^5), related to A034300 ((5*n+3)(!^5) quintic, or 5-factorials).

A051689

a(n) = (5*n+8)(!^5)/8(!^5), related to A034300 ((5*n+3)(!^5) quintic, or 5-factorials).

Terms

    a(0) =1a(1) =13a(2) =234a(3) =5382a(4) =150696a(5) =4972968a(6) =188972784a(7) =8125829712a(8) =390039826176

External references