E.g.f. A(x) satisfies A(x) = 1 + 3 * x * A(log(1+x)).

A355105

E.g.f. A(x) satisfies A(x) = 1 + 3 * x * A(log(1+x)).

Terms

    a(0) =1a(1) =3a(2) =18a(3) =135a(4) =1044a(5) =6210a(6) =-5994a(7) =-760347a(8) =-3009960a(9) =261689616a(10) =1960394400a(11) =-220644396522

External references