Logarithmic derivative of A001142, where A001142(n) = product{k=1..n} k^k/k!.

A219268

Logarithmic derivative of A001142, where A001142(n) = product{k=1..n} k^k/k!.

Terms

    a(0) =1a(1) =3a(2) =22a(3) =347a(4) =11986a(5) =956334a(6) =184142134a(7) =87903876147

External references