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A031356 10-multiplicative persistence: number of iterations of "multiply 10th powers of digits" needed to reach 0 or 1. +0
1
0, 2, 2, 2, 3, 2, 3, 2, 2, 1, 1, 2, 2, 2, 3, 2, 3, 2, 2, 1, 2, 2, 2, 2, 2, 3, 3, 2, 2, 1, 2, 2, 2, 3, 2, 2, 2, 2, 2, 1, 2, 2, 3, 2, 2, 2, 3, 2, 2, 1, 3, 2, 2, 2, 2, 2, 3, 2, 2, 1, 2, 3, 2, 2, 2, 2, 2, 2, 2, 1, 3, 3, 2, 3, 3, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2 (list; graph; listen)
OFFSET

0,2

LINKS

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

CROSSREFS

Sequence in context: A048288 A050677 A058013 this_sequence A024676 A093429 A089842

Adjacent sequences: A031353 A031354 A031355 this_sequence A031357 A031358 A031359

KEYWORD

nonn

AUTHOR

Eric Weisstein (eric(AT)weisstein.com)

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Last modified December 16 13:01 EST 2009. Contains 170825 sequences.


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