The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A039525 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A039525

Numbers whose base-12 representation has the same nonzero number of 3's and 6's.
(history; published version)

#12 by Michel Marcus at Wed Jun 30 23:59:57 EDT 2021

STATUS

proposed

approved

#11 by Jon E. Schoenfield at Wed Jun 30 22:07:07 EDT 2021

STATUS

editing

proposed

#10 by Jon E. Schoenfield at Wed Jun 30 22:07:06 EDT 2021

NAME

Numbers n such that whose base-12 representation in base 12 has the same nonzero number of 3's and 6's.

STATUS

approved

editing

#9 by Harvey P. Dale at Thu Jan 08 16:08:43 EST 2015

STATUS

editing

approved

#8 by Harvey P. Dale at Thu Jan 08 16:08:38 EST 2015

MATHEMATICA

Select[Range[1200], DigitCount[#, 12, 3]==DigitCount[#, 12, 6]>0&] (* Harvey P. Dale, Jan 08 2015 *)

STATUS

approved

editing

#7 by Russ Cox at Fri Mar 30 17:20:56 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)

#5 by N. J. A. Sloane at Sun Jun 29 03:00:00 EDT 2008

OFFSET

0,1,1

KEYWORD

nonn,base,easy,new

#4 by N. J. A. Sloane at Sat Jun 12 03:00:00 EDT 2004

NAME

Representation Numbers n such that representation in base 12 has same nonzero number of 3's and 6's.

KEYWORD

nonn,base,easy,new

#3 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003

KEYWORD

nonn,base,easy,new

AUTHOR

Olivier Gerard (ogerard@(AT)ext.jussieu.fr)