800928670232domain: NAppears in sequencesNumber of peakless Motzkin paths of length n, assuming that the (1,0)-steps come in 2 colors.at n=24A187256Number of Dyck paths of semilength n avoiding the consecutive step pattern given by the binary expansion of n, where 1=U=(1,1) and 0=D=(1,-1).at n=25A243754