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A164886 (Length of preperiodic part) + (length of cycle) of trajectory of n under iteration of the base-2 Kaprekar map in A164884. 13
1, 2, 3, 2, 3, 3, 3, 2, 3, 1, 2, 3, 2, 3, 3, 2, 3, 2, 2, 2, 2, 1, 2, 3, 2, 2, 2, 3, 2, 3, 3, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 3, 2, 1, 2, 2, 2, 2, 2, 3, 2, 2, 2, 3, 2, 3, 3, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

All base-2 cycles are fixed points, so one more than A164885.

LINKS

Joseph Myers, Table of n, a(n) for n = 0..1024

Index entries for the Kaprekar map

CROSSREFS

Cf. A164884, A163205, A164885, A164887.

In other bases: A164996 (base 3), A165015 (base 4), A165035 (base 5), A165054 (base 6), A165074 (base 7), A165093 (base 8), A165113 (base 9), A151963 (base 10).

Sequence in context: A321478 A076982 A283617 * A091935 A086063 A145653

Adjacent sequences:  A164883 A164884 A164885 * A164887 A164888 A164889

KEYWORD

base,nonn

AUTHOR

Joseph Myers, Aug 29 2009

EXTENSIONS

Cross-references edited by Joseph Myers, Sep 04 2009

STATUS

approved

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Last modified May 25 04:50 EDT 2019. Contains 323539 sequences. (Running on oeis4.)