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URL: https://oeis.org/history?seq=A165012

⇱ The On-Line Encyclopedia of Integer Sequences (OEIS)

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Showing entries 1-10 | older changes
a(n) = image of n under the base-4 Kaprekar map n -> (n with digits sorted into descending order) - (n with digits sorted into ascending order).
#17 by Peter Luschny at Sun Feb 24 05:01:51 EST 2019
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#16 by Joerg Arndt at Sun Feb 24 04:23:46 EST 2019
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#15 by Michel Marcus at Sun Feb 24 03:39:02 EST 2019
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Discussion
Sun Feb 24
03:48
Jinyuan Wang: yes. maybe, I think
#14 by Michel Marcus at Sun Feb 24 03:38:27 EST 2019
PROG
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Discussion
Sun Feb 24
03:39
Michel Marcus: maybe vecsort syntax has changed ?
#13 by OEIS Server at Thu Feb 02 05:20:23 EST 2017
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#12 by Bruno Berselli at Thu Feb 02 05:20:23 EST 2017
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Discussion
Thu Feb 02
05:20
OEIS Server: Installed new b-file as b165012.txt. Old b-file is now b165012_1.txt.
#11 by Indranil Ghosh at Thu Feb 02 01:24:21 EST 2017
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#10 by Indranil Ghosh at Thu Feb 02 01:23:16 EST 2017
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EXAMPLE
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#9 by Jon E. Schoenfield at Sun Dec 25 01:06:17 EST 2016
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#8 by Jon E. Schoenfield at Sun Dec 25 01:06:09 EST 2016
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