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A165027 Number of n-digit fixed points under the base-4 Kaprekar map A165012 8
1, 0, 1, 1, 0, 3, 1, 3, 3, 5, 3, 8, 5, 9, 8, 12, 9, 16, 12, 18, 16, 22, 18, 27, 22, 30, 27, 35, 30, 41, 35, 45, 41, 51, 45, 58, 51, 63, 58, 70, 63, 78, 70, 84, 78, 92, 84, 101, 92, 108, 101, 117, 108, 127, 117, 135, 127, 145, 135, 156, 145, 165, 156, 176, 165, 188, 176, 198 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

Joseph Myers, Table of n, a(n) for n=1..200

Index entries for the Kaprekar map

CROSSREFS

Cf. A165012, A165016, A165025, A165026.

In other bases: A004526 (base 2, adjusted to start 1, 0, 0, 1, 1, ...), A008615 (base 3), A008617 (base 5), A165066 (base 6), A008722 (base 7, conjecturally), A165105 (base 8), A165125 (base 9), A164733 (base 10).

Sequence in context: A145015 A085723 A186422 * A078555 A259286 A087891

Adjacent sequences:  A165024 A165025 A165026 * A165028 A165029 A165030

KEYWORD

base,nonn

AUTHOR

Joseph Myers, Sep 04 2009

STATUS

approved

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Last modified August 6 14:51 EDT 2020. Contains 336247 sequences. (Running on oeis4.)