[go: up one dir, main page]

login
Revision History for A039415 (Bold, blue-underlined text is an addition; faded, red-underlined text is a deletion.)

Showing entries 1-10 | older changes
Numbers whose base-10 representation has the same nonzero number of 2's and 8's.
(history; published version)
#12 by Joerg Arndt at Wed Jun 30 03:57:22 EDT 2021
STATUS

proposed

approved

#11 by Jon E. Schoenfield at Wed Jun 30 03:49:09 EDT 2021
STATUS

editing

proposed

#10 by Jon E. Schoenfield at Wed Jun 30 03:49:07 EDT 2021
NAME

Numbers n such that whose base-10 representation in base 10 has the same nonzero number of 2's and 8's.

STATUS

approved

editing

#9 by Harvey P. Dale at Sat Oct 03 18:56:14 EDT 2020
STATUS

editing

approved

#8 by Harvey P. Dale at Sat Oct 03 18:56:11 EDT 2020
MATHEMATICA

Select[Range[1100], DigitCount[#, 10, 2]==DigitCount[#, 10, 8]>0&] (* Harvey P. Dale, Oct 03 2020 *)

STATUS

approved

editing

#7 by Russ Cox at Fri Mar 30 17:20:54 EDT 2012
AUTHOR

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

Olivier GĂ©rard

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 10 has same nonzero number of 2's and 8'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)