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

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