71378domain: NAppears in sequencesNumber of double rises in all left factors of Dyck paths of length n (a double rise consists of two consecutive (1,1)-steps).at n=16A191524Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,0,2,0,1,1,0 for x=0,1,2,3,4,5,6.at n=5A197628