The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A065213 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A065213

Eight 'Reverse and Add' steps are needed to reach a palindrome.
(history; published version)

#15 by Wesley Ivan Hurt at Wed May 31 15:45:44 EDT 2023

STATUS

editing

approved

#14 by Wesley Ivan Hurt at Wed May 31 15:45:33 EDT 2023

CROSSREFS

Cf. A002113, A015988, A065206.

STATUS

approved

editing

#13 by Bruno Berselli at Tue Sep 24 02:52:51 EDT 2013

STATUS

proposed

approved

#12 by Vincenzo Librandi at Tue Sep 24 00:56:08 EDT 2013

STATUS

editing

proposed

#11 by Vincenzo Librandi at Tue Sep 24 00:56:00 EDT 2013

LINKS

<a href="/index/Res#RAA">Index entries for sequences related to Reverse and Add!</a>

#10 by Vincenzo Librandi at Tue Sep 24 00:55:26 EDT 2013

LINKS

Vincenzo Librandi, <a href="/A065213/b065213.txt">Table of n, a(n) for n = 1..1000</a>

STATUS

approved

editing

#9 by Harvey P. Dale at Fri Aug 09 17:09:04 EDT 2013

STATUS

editing

approved

#8 by Harvey P. Dale at Fri Aug 09 17:08:59 EDT 2013

MATHEMATICA

lenQ[n_]:=Length[NestWhileList[#+FromDigits[Reverse[IntegerDigits[#]]]&, n, #!=FromDigits[Reverse[IntegerDigits[#]]]&, 1, 10]]==9; Select[Range[ 10000], lenQ] (* Harvey P. Dale, Aug 09 2013 *)

STATUS

approved

editing

#7 by Russ Cox at Fri Mar 30 17:27:33 EDT 2012

AUTHOR

_Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), _, Oct 21 2001

Discussion

Fri Mar 30

17:27

OEIS Server: https://oeis.org/edit/global/145

#6 by Russ Cox at Fri Mar 30 17:24:31 EDT 2012

EXTENSIONS

OFFSET changed from 0,1 to 1,1 by _Harry J. Smith (hjsmithh(AT)sbcglobal.net), _, Oct 14 2009

Discussion

Fri Mar 30

17:24

OEIS Server: https://oeis.org/edit/global/133