a(n) = Sum_{k=0..n-1} [x^k] A(x)^(n-1) for n>=1 with a(0)=1, where g.f. A(x) = Sum_{n>=0} a(n)*x^n.
A233436
a(n) = Sum_{k=0..n-1} [x^k] A(x)^(n-1) for n>=1 with a(0)=1, where g.f. A(x) = Sum_{n>=0} a(n)*x^n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =8a(4) =50a(5) =424a(6) =4472a(7) =55760a(8) =797022a(9) =12801296a(10) =227829866a(11) =4446822688a(12) =94422531876
External references
- oeis: A233436