a(n) = Sum_{k=0..n} C(n,k)* [x^(n-k)] A(x)^k for n>0, with a(0)=1.
A125222
a(n) = Sum_{k=0..n} C(n,k)* [x^(n-k)] A(x)^k for n>0, with a(0)=1.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =16a(4) =119a(5) =1116a(6) =12522a(7) =162863a(8) =2404103a(9) =39673456a(10) =723567188a(11) =14452217803a(12) =313777135454
External references
- oeis: A125222