G.f. A(x) satisfies: A(x)^2 = Sum_{n>=0} x^n*A(x)^(2^n).
A192315
G.f. A(x) satisfies: A(x)^2 = Sum_{n>=0} x^n*A(x)^(2^n).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =23a(5) =105a(6) =556a(7) =3409a(8) =24664a(9) =218686a(10) =2499812a(11) =38628853a(12) =829097387a(13) =24849303505
External references
- oeis: A192315