10871723domain: NAppears in sequencesSum along upward diagonal of Pascal triangle from (but not including) halfway point.at n=35A010758Sum along upward diagonal of Pascal triangle from halfway point.at n=35A010759a(n) = T(2n,n+4), T given by A027948.at n=9A027952Partial sums of A053308.at n=17A053309