a(n) = Sum_{k=0..5} (n+k)! * C(5,k).
A001347
a(n) = Sum_{k=0..5} (n+k)! * C(5,k).
Terms
- a(0) =88a(1) =326a(2) =1631a(3) =10112a(4) =74046a(5) =622704a(6) =5900520a(7) =62118720a(8) =718709040a(9) =9059339520a(10) =123521086080
External references
- oeis: A001347