A031211 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A031211

Periods of sum of 8th powers of digits iterated until the sequence becomes periodic.

1

1, 1, 25, 154, 154, 154, 154, 25, 154, 154, 1, 25, 154, 154, 1, 25, 25, 1, 154, 154, 25, 154, 154, 25, 154, 154, 154, 25, 154, 1, 154, 154, 25, 154, 25, 25, 25, 1, 154, 154, 154, 1, 154, 25, 154, 25, 25, 154, 154, 154, 154, 25, 154, 25, 25, 25, 154, 25, 154

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

Table of n, a(n) for n=0..58.

Eric Weisstein's World of Mathematics, Digitaddition.

CROSSREFS

Sequence in context: A305687 A147059 A317067 * A049522 A084073 A049523

Adjacent sequences: A031208 A031209 A031210 * A031212 A031213 A031214

KEYWORD

nonn,base

AUTHOR

Eric W. Weisstein

EXTENSIONS

Missing a(0)=1 inserted by Sean A. Irvine, Apr 15 2020

STATUS

approved