E.g.f. exp(sum_{d|M} (exp(d*x)-1)/d), M=9.
A141006
E.g.f. exp(sum_{d|M} (exp(d*x)-1)/d), M=9.
Terms
- a(0) =1a(1) =3a(2) =22a(3) =235a(4) =3139a(5) =49376a(6) =891491a(7) =18160071a(8) =411124024a(9) =10212362573a(10) =275543711899
External references
- oeis: A141006