A031200 Periods of sum of 7th powers of digits iterated until the sequence becomes periodic.

1, 1, 92, 14, 30, 92, 56, 6, 92, 56, 1, 92, 27, 30, 92, 56, 30, 12, 27, 21, 92, 27, 2, 92, 27, 30, 12, 56, 30, 92, 14, 30, 92, 56, 21, 92, 56, 30, 92, 27, 30, 92, 27, 21, 92, 27, 30, 12, 56, 30, 92, 56, 30, 92, 27, 30, 92, 56, 30, 12, 56, 30, 12, 56, 30, 92, 56, 30

Offset: 0

Author

Eric W. Weisstein

Keywords

• nonn
• base

Links

• Eric Weisstein's World of Mathematics, Digitaddition

Extensions

Missing a(0)=1 inserted by Sean A. Irvine, Apr 14 2020