122090domain: NAppears in sequencesCoordination sequence for {A_4}* lattice.at n=29A008531Triangle read by rows: T(n,k) is the number of Motzkin paths of length n and having k UHD's, where U=(1,1),H=(1,0),D=(1,-1) (0<=k<=floor(n/3)).at n=46A114583