a(n) = coefficient of x^n/(n-1)! in the 3-fold iteration of x*exp(x).

A174493

a(n) = coefficient of x^n/(n-1)! in the 3-fold iteration of x*exp(x).

Terms

    a(0) =1a(1) =3a(2) =15a(3) =102a(4) =861a(5) =8598a(6) =98547a(7) =1270160a(8) =18138601a(9) =283754826a(10) =4818884319a(11) =88186786020

External references