644045742336
domain: N
Appears in sequences
- 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.at n=7A322895
- E.g.f. A(x) = C(x) + S(x) = exp( Integral C(S(x)) dx ) such that C(x)^2 - S(x)^2 = 1, where A(x) = Sum_{n>=0} a(n)*x^n/n!, with coefficients a(n) starting at n = 0.at n=15A322897