E.g.f. C(x) = 1 + Integral S(x) * C(S(x)) dx, such that C(x)^2 - S(x)^2 = 1, where C(x) = Sum_{n>=0} a(n)*x^(2*n)/(2*n)!, with coefficients a(n) starting at n = 0.
A322896
E.g.f. C(x) = 1 + Integral S(x) * C(S(x)) dx, such that C(x)^2 - S(x)^2 = 1, where C(x) = Sum_{n>=0} a(n)*x^(2*n)/(2*n)!, with coefficients a(n) starting at n = 0.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =109a(4) =5737a(5) =579961a(6) =98213933a(7) =25474555941
External references
- oeis: A322896