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A165073 Length of preperiodic part of trajectory of n under iteration of the base-7 Kaprekar map in A165071 10
0, 1, 1, 1, 1, 1, 1, 2, 1, 2, 3, 4, 2, 4, 3, 2, 1, 2, 3, 4, 2, 4, 3, 2, 1, 2, 3, 4, 2, 4, 3, 2, 1, 2, 3, 4, 2, 4, 3, 2, 1, 2, 3, 4, 2, 4, 3, 2, 1, 2, 2, 3, 1, 1, 2, 3, 2, 1, 2, 3, 1, 1, 2, 3, 2, 2, 3, 1, 1, 2, 1, 3, 3, 3, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 2, 3, 2, 2, 2, 2, 2, 2, 3, 3, 3, 1, 1, 2, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,8

LINKS

Joseph Myers, Table of n, a(n) for n=0..2401

Index entries for the Kaprekar map

CROSSREFS

Cf. A165071, A165074.

In other bases: A164885 (base 2), A164995 (base 3), A165014 (base 4), A165034 (base 5), A165053 (base 6), A165092 (base 8), A165112 (base 9), A151962 (base 10).

Sequence in context: A119671 A328365 A033787 * A176846 A144735 A304734

Adjacent sequences:  A165070 A165071 A165072 * A165074 A165075 A165076

KEYWORD

base,nonn

AUTHOR

Joseph Myers, Sep 04 2009

STATUS

approved

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Last modified April 6 04:52 EDT 2020. Contains 333267 sequences. (Running on oeis4.)