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

A355104

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

Terms

    a(0) =1a(1) =2a(2) =8a(3) =36a(4) =128a(5) =-120a(6) =-5904a(7) =8792a(8) =1015808a(9) =-7346016a(10) =-403678560a(11) =9772765552a(12) =226781102016

External references