Exponential generating function x*exp(x/(1-x)).
A006152
Exponential generating function x*exp(x/(1-x)).
Terms
- a(0) =1a(1) =2a(2) =9a(3) =52a(4) =365a(5) =3006a(6) =28357a(7) =301064a(8) =3549177a(9) =45965530a(10) =648352001a(11) =9888877692a(12) =162112109029
External references
- oeis: A006152