A033839 Smallest number > 1 equal to sum of n-th powers of its base-7 digits, or 0 if no such number exists (written in base 10).

2, 10, 9, 0, 65, 35411, 37271, 72865, 2236488, 1110699, 416002778, 0, 5021821389, 0, 533453816220, 0, 18487285640920, 0, 1314916195476894, 0, 66773332795109537, 138809539743164589, 1591663132485308115, 14216271609499243850

Offset: 1

Author

David W. Wilson

Keywords

• nonn
• base

Links

• Joseph Myers, Table of n, a(n) for n=1..215

Crossrefs

Cf. A162228, A162229, A162230. In other bases: A033835 (base 3), A033836 (base 4), A033837 (base 5), A033838 (base 6), A033840 (base 8), A033841 (base 9), A003321 (base 10). - Joseph Myers, Jul 07 2009

Extensions

Extended by Joseph Myers, Jul 07 2009