541574100domain: NAppears in sequencesa(n) = (n+1)*binomial(n+1,13).at n=14A027773a(n) = (n+1)*binomial(n+1,14).at n=13A027774Number of turns in all left factors of Dyck paths of length n.at n=28A191527Number of profiles in domino tiling of a 2*n checkboard.at n=27A218073a(n) = (2n+1)^2*Catalan(n).at n=13A257589