The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A039464 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A039464

Numbers whose base-11 representation has the same nonzero number of 2's and 10's.
(history; published version)

#15 by Michel Marcus at Wed Jun 30 04:32:24 EDT 2021

STATUS

proposed

approved

#14 by Jon E. Schoenfield at Wed Jun 30 04:14:54 EDT 2021

STATUS

editing

proposed

#13 by Jon E. Schoenfield at Wed Jun 30 04:14:53 EDT 2021

NAME

Numbers n such that whose base-11 representation in base 11 has the same nonzero number of 2's and 10's.

STATUS

approved

editing

#12 by Joerg Arndt at Thu Mar 27 10:16:23 EDT 2014

STATUS

proposed

approved

#11 by Vincenzo Librandi at Thu Mar 27 09:46:11 EDT 2014

STATUS

editing

proposed

#10 by Vincenzo Librandi at Thu Mar 27 09:46:04 EDT 2014

LINKS

Vincenzo Librandi, <a href="/A039464/b039464.txt">Table of n, a(n) for n = 1..5000</a>

STATUS

approved

editing

#9 by Harvey P. Dale at Wed Mar 26 12:06:32 EDT 2014

STATUS

editing

approved

#8 by Harvey P. Dale at Wed Mar 26 12:06:28 EDT 2014

MATHEMATICA

Select[Range[2000], DigitCount[#, 11, 2]==DigitCount[#, 11, 10]>0&] (* Harvey P. Dale, Mar 26 2014 *)

STATUS

approved

editing

#7 by Russ Cox at Fri Mar 30 17:20:55 EDT 2012

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

Olivier Gérard

Discussion

Fri Mar 30

17:20

OEIS Server: https://oeis.org/edit/global/117

#6 by N. J. A. Sloane at Fri Jan 09 03:00:00 EST 2009

KEYWORD

nonn,base,easy,new

AUTHOR

Olivier Gerard (ogerardolivier.gerard(AT)ext.jussieugmail.frcom)