G.f.: Sum_{n>=0} binomial((n+1)*(2*n+1),n)/(2*n+1) * x^n / C(x)^(n*(2*n+1)+1), where C(x) = 1 + x*C(x)^2 is the Catalan function (A000108).
A352700
G.f.: Sum_{n>=0} binomial((n+1)*(2*n+1),n)/(2*n+1) * x^n / C(x)^(n*(2*n+1)+1), where C(x) = 1 + x*C(x)^2 is the Catalan function (A000108).
Terms
- a(0) =1a(1) =1a(2) =12a(3) =239a(4) =7178a(5) =296092a(6) =15666162a(7) =1014796995a(8) =77899495174
External references
- oeis: A352700