E.g.f. A(x) satisfies A(x) = 1 - (A(x)/x) * log(1 - x^2*A(x)).

A392930

E.g.f. A(x) satisfies A(x) = 1 - (A(x)/x) * log(1 - x^2*A(x)).

Terms

    a(0) =1a(1) =1a(2) =4a(3) =33a(4) =396a(5) =6340a(6) =127260a(7) =3077340a(8) =87148320a(9) =2830355136a(10) =103732886880

External references