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A164996 (Length of preperiodic part) + (length of cycle) of trajectory of n under iteration of the base-3 Kaprekar map in A164993 10
1, 2, 2, 3, 2, 3, 3, 3, 2, 3, 3, 4, 3, 2, 3, 4, 3, 3, 4, 4, 4, 4, 3, 3, 4, 3, 2, 3, 3, 4, 3, 3, 2, 4, 3, 4, 3, 3, 3, 3, 2, 3, 3, 3, 3, 4, 3, 4, 3, 3, 3, 4, 2, 3, 3, 4, 4, 4, 3, 4, 4, 4, 3, 4, 3, 4, 3, 3, 3, 4, 3, 3, 4, 4, 3, 4, 3, 3, 3, 3, 2, 3, 3, 2, 3, 3, 2, 2, 2, 3, 3, 3, 2, 3, 3, 4, 2, 4, 2, 2, 2, 3, 2, 4, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Joseph Myers, Table of n, a(n) for n=0..2187

Index entries for the Kaprekar map

CROSSREFS

Cf. A164993, A164995.

In other bases: A164886 (base 2), A165015 (base 4), A165035 (base 5), A165054 (base 6), A165074 (base 7), A165093 (base 8), A165113 (base 9), A151963 (base 10).

Sequence in context: A070210 A197775 A100198 * A216195 A304333 A136510

Adjacent sequences:  A164993 A164994 A164995 * A164997 A164998 A164999

KEYWORD

base,nonn

AUTHOR

Joseph Myers, Sep 04 2009

STATUS

approved

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Last modified August 15 13:16 EDT 2018. Contains 313764 sequences. (Running on oeis4.)