E.g.f. S(x) = Integral C(x) * C(S(x)) dx, such that C(x)^2 - S(x)^2 = 1, where S(x) = Sum_{n>=0} a(n)*x^(2*n+1)/(2*n+1)!, with coefficients a(n) starting at n = 0.

A322895

E.g.f. S(x) = Integral C(x) * C(S(x)) dx, such that C(x)^2 - S(x)^2 = 1, where S(x) = Sum_{n>=0} a(n)*x^(2*n+1)/(2*n+1)!, with coefficients a(n) starting at n = 0.

Terms

    a(0) =1a(1) =2a(2) =24a(3) =872a(4) =67072a(5) =9174400a(6) =1999010432a(7) =644045742336

External references