1,2
Cf. A050629, A048557, A050634.
Sequence in context: A017210 A067711 A068175 * A048557 A174645 A021424
Adjacent sequences: A050625 A050626 A050627 * A050629 A050630 A050631
nonn,base,more
Patrick De Geest (pdg(AT)worldofnumbers.com), Jul 15 1999.