--- On Fri, 12/26/08, f.firoozbakht at sci.ui.ac.ir wrote: >2. A152853 isn't a subsequence of A152824... I agree and suggest to edit %Y A152853: %Y A152853 Subset of A152824. Cf. A152834 for case of digits 2 and 3. in this way: %Y A152853 Cf. A152824 and A152834. thx, zak