a(n) = A001541(n)*A001653(n+1)*A002315(n).

A111647

a(n) = A001541(n)*A001653(n+1)*A002315(n).

Terms

    a(0) =1a(1) =105a(2) =20213a(3) =3998709a(4) =791704585a(5) =156753394977

External references