Expansion of e.g.f. exp(Sum_{k>=1} phi(k)*x^k/k), where phi is the Euler totient function A000010.
A318917
Expansion of e.g.f. exp(Sum_{k>=1} phi(k)*x^k/k), where phi is the Euler totient function A000010.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =8a(4) =38a(5) =262a(6) =1732a(7) =16144a(8) =153596a(9) =1660796a(10) =19415384a(11) =264084064a(12) =3664187848a(13) =57366995272a(14) =936097392752
External references
- oeis: A318917