Numerator of Sum_{i=1..n} 1/C(2*i,i).

Terms

a(0) =0a(1) =1a(2) =2a(3) =43a(4) =307a(5) =463a(6) =10201a(7) =24121a(8) =88453a(9) =1503743a(10) =28571327a(11) =680271a(12) =54761843a(13) =156462429a(14) =111170677a(15) =245020174253