a(n) = Sum_{k=0..n-1} C(n-1,k)* [x^(n-k-1)] A(x)^(k+1) for n>0, with a(0)=1.
A125223
a(n) = Sum_{k=0..n-1} C(n-1,k)* [x^(n-k-1)] A(x)^(k+1) for n>0, with a(0)=1.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =32a(5) =175a(6) =1091a(7) =7540a(8) =56744a(9) =459379a(10) =3965669a(11) =36266437a(12) =349564610a(13) =3536884843a(14) =37440399437a(15) =413499135061
External references
- oeis: A125223