a(n) = [x^n] Product_{k=0..n} (1 + k*x)^5.

A384017

a(n) = [x^n] Product_{k=0..n} (1 + k*x)^5.

Terms

    a(0) =1a(1) =5a(2) =100a(3) =3510a(4) =177370a(5) =11732175a(6) =960453825a(7) =93791830160

External references