Numerators of the terms of Lehmer's series S_2(2), where S_k(x) = Sum_{n>=1} n^k*x^n/binomial(2*n, n).
A259852
Numerators of the terms of Lehmer's series S_2(2), where S_k(x) = Sum_{n>=1} n^k*x^n/binomial(2*n, n).
Terms
- a(0) =1a(1) =8a(2) =18a(3) =128a(4) =200a(5) =192a(6) =784a(7) =8192a(8) =10368a(9) =25600a(10) =30976a(11) =147456a(12) =173056a(13) =401408a(14) =10240a(15) =8388608a(16) =9469952a(17) =7077888a(18) =23658496a(19) =20971520a(20) =38535168a(21) =253755392a(22) =277348352a(23) =268435456a(24) =2621440000a(25) =5670699008a(26) =6115295232a(27) =3758096384a(28) =28219277312a(29) =60397977600
External references
- oeis: A259852