A165014 Length of preperiodic part of trajectory of n under iteration of the base-4 Kaprekar map in A165012.

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

Offset

0,5

Links

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

Index entries for the Kaprekar map

Crossrefs

Cf. A165012, A165015.

In other bases: A164885 (base 2), A164995 (base 3), A165034 (base 5), A165053 (base 6), A165073 (base 7), A165092 (base 8), A165112 (base 9), A151962 (base 10).

Sequence in context: A215652 A378261 A305715 * A358871 A357743 A058063

Adjacent sequences: A165011 A165012 A165013 * A165015 A165016 A165017

Keyword

base,nonn

Author

Joseph Myers, Sep 04 2009

Status

approved