a(n) = A203433(n)/A000178(n) where A000178=(superfactorials).

A203434

a(n) = A203433(n)/A000178(n) where A000178=(superfactorials).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =6a(4) =45a(5) =189a(6) =3402a(7) =30618a(8) =1299078a(9) =25332021a(10) =2507870079a(11) =106698472452

External references