Let h(m) denote the sequence whose n-th term is Sum_{k=0..n} (k+1)^m*T(n,k)^2, where T(n,k) is the Catalan triangle A039598. This is h(7).
A228333
Let h(m) denote the sequence whose n-th term is Sum_{k=0..n} (k+1)^m*T(n,k)^2, where T(n,k) is the Catalan triangle A039598. This is h(7).
Terms
- a(0) =1a(1) =132a(2) =4260a(3) =120400a(4) =3017700a(5) =69776784a(6) =1524611088a(7) =31951782720a(8) =648578888100
External references
- oeis: A228333