A165074 (Length of preperiodic part) + (length of cycle) of trajectory of n under iteration of the base-7 Kaprekar map in A165071

1, 2, 2, 2, 2, 2, 2, 3, 2, 3, 4, 5, 3, 5, 4, 3, 2, 3, 4, 5, 3, 5, 4, 3, 2, 3, 4, 5, 3, 5, 4, 3, 2, 3, 4, 5, 3, 5, 4, 3, 2, 3, 4, 5, 3, 5, 4, 3, 2, 3, 3, 5, 3, 3, 4, 5, 3, 2, 3, 5, 3, 3, 4, 5, 3, 3, 5, 3, 3, 4, 3, 5, 5, 5, 3, 3, 4, 3, 3, 3, 3, 3, 3, 4, 4, 3, 3, 3, 3, 3, 4, 5, 4, 4, 4, 4, 4, 4, 5, 5, 5, 3, 3, 4, 5

Offset

0,2

Links

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

Index entries for the Kaprekar map

Crossrefs

Cf. A165071, A165073.

In other bases: A164886 (base 2), A164996 (base 3), A165015 (base 4), A165035 (base 5), A165054 (base 6), A165093 (base 8), A165113 (base 9), A151963 (base 10).

Sequence in context: A257071 A332025 A212300 * A374152 A273165 A336313

Adjacent sequences: A165071 A165072 A165073 * A165075 A165076 A165077

Keyword

base,nonn

Author

Joseph Myers, Sep 04 2009

Status

approved