E.g.f. A(x) satisfies A(x) = 1 + 2 * (1 - exp(-x)) * A(1 - exp(-x)).

A355093

E.g.f. A(x) satisfies A(x) = 1 + 2 * (1 - exp(-x)) * A(1 - exp(-x)).

Terms

    a(0) =1a(1) =2a(2) =6a(3) =14a(4) =-50a(5) =-838a(6) =1730a(7) =136530a(8) =-486826a(9) =-53845210a(10) =608573414a(11) =39761626434

External references