56656domain: NAppears in sequencesNumber of trees with n nodes and 5 leaves.at n=23A055292Number of (w,x,y,z) with all terms in {1,...,n} and 2|w-x|<n+|y-z|.at n=16A212687Minimum base in which the least number with absolute multiplicative persistence n achieves such persistence.at n=37A385727