318725domain: NAppears in sequencesDigits of n^3 appear in n.at n=26A029778Numbers k such that k and k^3 have the same set of digits.at n=18A029795Number of squarefree integers not exceeding 2^n.at n=19A143658Least k such that the k-th squarefree number has exactly n ones in its binary expansion.at n=18A372541