G.f. satisfies: A(A(x)) = Sum_{n>=1} a(n)*x^n * Product_{k=1..n} (1 + k*x), where g.f. A(x) = Sum_{n>=1} a(n)*x^n.
A193207
G.f. satisfies: A(A(x)) = Sum_{n>=1} a(n)*x^n * Product_{k=1..n} (1 + k*x), where g.f. A(x) = Sum_{n>=1} a(n)*x^n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =11a(5) =126a(6) =2383a(7) =65847a(8) =2484405a(9) =122300214a(10) =7600462726a(11) =581393350442
External references
- oeis: A193207