A165092 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A165092

Length of preperiodic part of trajectory of n under iteration of the base-8 Kaprekar map in A165090

0, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 4, 1, 3, 3, 2, 4, 2, 1, 2, 4, 0, 3, 3, 1, 4, 2, 1, 2, 4, 1, 3, 3, 1, 4, 2, 1, 2, 4, 1, 3, 3, 1, 4, 2, 1, 2, 4, 2, 3, 3, 1, 4, 2, 1, 2, 4, 2, 3, 3, 1, 4, 2, 1, 2, 2, 4, 3, 1, 2, 3, 4, 2, 1, 2, 4, 3, 1, 2, 3, 4, 2, 2, 4, 3, 1, 2, 3, 3, 4, 4, 4, 3, 1, 2, 3, 1, 3, 3, 3, 3, 1, 2, 3, 2

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,9

LINKS

Joseph Myers, Table of n, a(n) for n=0..4096

Index entries for the Kaprekar map

CROSSREFS

Cf. A165090, A165093.

In other bases: A164885 (base 2), A164995 (base 3), A165014 (base 4), A165034 (base 5), A165053 (base 6), A165073 (base 7), A165112 (base 9), A151962 (base 10).

Sequence in context: A199087 A306913 A087704 * A306915 A270743 A209750

Adjacent sequences: A165089 A165090 A165091 * A165093 A165094 A165095

KEYWORD

base,nonn

AUTHOR

Joseph Myers, Sep 04 2009

STATUS

approved