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A165331 Number of iterations until a fixed point or cycle is reached when repeatedly replacing a number with the sum of the cubes of its digits. 6
0, 0, 7, 3, 4, 6, 10, 6, 6, 4, 1, 8, 5, 3, 6, 10, 1, 8, 2, 2, 7, 5, 2, 7, 3, 1, 8, 2, 2, 3, 3, 3, 7, 6, 3, 6, 6, 1, 8, 6, 4, 6, 3, 3, 7, 5, 3, 1, 6, 3, 6, 10, 1, 6, 5, 0, 5, 5, 8, 10, 10, 1, 8, 6, 3, 5, 6, 7, 11, 6, 6, 8, 2, 1, 1, 5, 7, 7, 8, 2, 6, 2, 2, 8, 6, 8, 11, 8, 3, 3, 4, 2, 3, 6, 3, 10, 6, 2, 3, 4, 1, 8 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

a(A046197(k)) = 0 for k: 1 <= k <= 6;

a(A046156(k)) = 0 for k: 1 <= k <= 16;

a(A165330(n)) = 0;

a(A165340(n,k)) = n - k, 0<=k<=n.

a(A008585(n)) = A003620(n), n>0. [From Reinhard Zumkeller, Nov 21 2009]

LINKS

R. Zumkeller, Table of n, a(n) for n = 0..20000

CROSSREFS

Sequence in context: A075697 A222231 A011252 * A225442 A010507 A030710

Adjacent sequences:  A165328 A165329 A165330 * A165332 A165333 A165334

KEYWORD

base,nonn

AUTHOR

Reinhard Zumkeller, Sep 17 2009

STATUS

approved

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Last modified June 16 14:38 EDT 2019. Contains 324152 sequences. (Running on oeis4.)