Denominators 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).
A259853
Denominators 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) =3a(2) =5a(3) =35a(4) =63a(5) =77a(6) =429a(7) =6435a(8) =12155a(9) =46189a(10) =88179a(11) =676039a(12) =1300075a(13) =5014575a(14) =215441a(15) =300540195a(16) =583401555a(17) =756261275a(18) =4418157975a(19) =6892326441a(20) =22427411435a(21) =263012370465a(22) =514589420475a(23) =895766768975
External references
- oeis: A259853