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

A355094

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

Terms

    a(0) =1a(1) =3a(2) =15a(3) =84a(4) =321a(5) =-2157a(6) =-57126a(7) =-23496a(8) =19229199a(9) =114026754a(10) =-14369595177a(11) =-124727102772

External references