A031182 Periods of sum of fourth powers of digits iterated until the sequence becomes periodic.

1, 1, 7, 7, 7, 7, 7, 7, 7, 7, 1, 7, 1, 7, 7, 7, 7, 1, 7, 7, 7, 1, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 7, 2, 7, 7, 7, 7, 1, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7

Offset

0,3

Links

Table of n, a(n) for n=0..99.

Eric Weisstein's World of Mathematics, Digitaddition

Crossrefs

Sequence in context: A083947 A269349 A112114 * A106705 A010727 A186684

Adjacent sequences: A031179 A031180 A031181 * A031183 A031184 A031185

Keyword

nonn,base

Author

Eric W. Weisstein

Extensions

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

Status

approved