Let f(n) = Sum_{j>=1} j^n/binomial(2*j,j) = r_n*Pi*sqrt(3)/3^{t_n} + s_n/3; sequence gives r_n.

A181334

Let f(n) = Sum_{j>=1} j^n/binomial(2*j,j) = r_n*Pi*sqrt(3)/3^{t_n} + s_n/3; sequence gives r_n.

Terms

    a(0) =2a(1) =2a(2) =10a(3) =74a(4) =238a(5) =938a(6) =13130a(7) =23594a(8) =1298462a(9) =26637166a(10) =201403930a(11) =5005052234a(12) =135226271914

External references