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

1,1

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

Sequence in context: A092939 A006610 A227716 * A196367 A114264 A081100

Adjacent sequences: A033836 A033837 A033838 * A033840 A033841 A033842

Keyword

nonn,base

Author

David W. Wilson

Extensions

Extended by Joseph Myers, Jul 07 2009

Status

approved