1568062domain: NAppears in sequencesSum along upward diagonal of Pascal triangle from (but not including) halfway point.at n=31A010758Sum along upward diagonal of Pascal triangle from halfway point.at n=31A010759a(n) = T(2n+1, n+4), T given by A027948.at n=8A027956Partial sums of A053296.at n=15A053308