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A165123 Number of cycles of n-digit numbers (including fixed points) under the base-9 Kaprekar map A165110 +0
11
1, 1, 1, 2, 2, 1, 1, 2, 2, 3, 2, 3, 3, 3, 4, 2, 4, 4, 5, 4, 6, 5, 9, 4, 15, 4, 15, 5, 18, 5, 19, 7, 23, 5, 30, 6, 32, 8, 32, 8, 34, 11, 34, 11, 39, 12, 42, 14, 43, 15, 44, 17, 50, 19, 54, 22, 57, 22, 63, 21, 64, 23, 68, 29, 95, 26, 127, 34, 130, 34 (list; graph; listen)
OFFSET

1,4

LINKS

Index entries for the Kaprekar map

CROSSREFS

Cf. A165110, A165115, A165124, A165125.

In other bases: A004526 (base 2, adjusted to start 1, 0, 0, 1, 1, ...), A165006 (base 3), A165025 (base 4), A165045 (base 5), A165064 (base 6), A165084 (base 7), A165103 (base 8), A164731 (base 10).

Sequence in context: A168115 A153864 A112399 this_sequence A106180 A055091 A014678

Adjacent sequences: A165120 A165121 A165122 this_sequence A165124 A165125 A165126

KEYWORD

base,nonn

AUTHOR

Joseph Myers (jsm(AT)polyomino.org.uk), Sep 04 2009

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Last modified March 20 09:10 EDT 2010. Contains 173642 sequences.


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