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A031178 Periods of sum of cubes of digits iterated until the sequence becomes periodic. 0
1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 3, 1, 1, 2, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 3, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..98.

Eric Weisstein's World of Mathematics, Digit addition

CROSSREFS

Sequence in context: A318449 A066715 A082457 * A327401 A091407 A031229

Adjacent sequences:  A031175 A031176 A031177 * A031179 A031180 A031181

KEYWORD

nonn,base

AUTHOR

Eric W. Weisstein

STATUS

approved

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Last modified October 23 22:23 EDT 2019. Contains 328373 sequences. (Running on oeis4.)