35469domain: NAppears in sequences[ (3rd elementary symmetric function of 3,4,...,n+4)/(3+4+...+n+4) ].at n=26A024191Triangle T(n,k) (n >= 2, 1 <= k <= n-1) giving number of non-crossing trees with n nodes and height k.at n=38A072248Augmentation of the triangle A193592. See Comments.at n=49A193593