Numerators of 2*Sum_{k=1..n} 1/binomial(2*k,k), n >= 1.
A130545
Numerators of 2*Sum_{k=1..n} 1/binomial(2*k,k), n >= 1.
Terms
- a(0) =1a(1) =4a(2) =43a(3) =307a(4) =463a(5) =10201a(6) =24121a(7) =88453a(8) =1503743a(9) =28571327a(10) =680271a(11) =54761843a(12) =156462429a(13) =111170677a(14) =245020174253
External references
- oeis: A130545