G.f. satisfies: A(x) = Sum_{n>=0} x^n * (A(x)^n + 1)^n.
A203000
G.f. satisfies: A(x) = Sum_{n>=0} x^n * (A(x)^n + 1)^n.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =30a(4) =198a(5) =1526a(6) =13014a(7) =119454a(8) =1161094a(9) =11828966a(10) =125456438a(11) =1378837422a(12) =15654724742a(13) =183216332886
External references
- oeis: A203000