E.g.f.: 1 + Sum_{n>=1} x^n/n! * Product_{k=1..n} (exp(k*x)-1)/(exp(x)-1).
A196193
E.g.f.: 1 + Sum_{n>=1} x^n/n! * Product_{k=1..n} (exp(k*x)-1)/(exp(x)-1).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =9a(4) =66a(5) =680a(6) =9255a(7) =159446a(8) =3369212a(9) =85259280a(10) =2535716685a(11) =87301792270
External references
- oeis: A196193