G.f. A(x) satisfies: 1+x = Sum_{n>=0} C(2^n,n) * x^n / A(x)^(2^n).
A136584
G.f. A(x) satisfies: 1+x = Sum_{n>=0} C(2^n,n) * x^n / A(x)^(2^n).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =31a(4) =1327a(5) =170211a(6) =68333813a(7) =89675072255
External references
- oeis: A136584