The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A169884 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A169884

Numbers consisting of either all even digits or just 5's and 0's.
(history; published version)

#15 by Charles R Greathouse IV at Wed Feb 15 00:04:29 EST 2017

STATUS

editing

approved

#14 by Charles R Greathouse IV at Wed Feb 15 00:04:26 EST 2017

LINKS

<a href="/index/Ar#10-automatic">Index entries for 10-automatic sequences</a>.

KEYWORD

nonn,base,easy

STATUS

approved

editing

#13 by Charles R Greathouse IV at Thu Nov 21 12:49:56 EST 2013

MATHEMATICA

With[{upto=410}, Select[Union[Join[Select[Range[upto], And@@EvenQ[ IntegerDigits[#]]&], FromDigits/@Tuples[{5, 0}, Ceiling[Log[ 10, upto]]]]], #<=upto&]] (* From _Harvey P. Dale, _, Aug 05 2011 *)

Discussion

Thu Nov 21

12:49

OEIS Server: https://oeis.org/edit/global/2062

#12 by Charles R Greathouse IV at Thu Oct 04 10:29:13 EDT 2012

LINKS

David Applegate, Marc LeBrun and N. J. A. Sloane, <a href="http://www.research.attneilsloane.com/~njas/doc/carry1.pdf">Carryless Arithmetic (I): The Mod 10 Version</a>.

Discussion

Thu Oct 04

10:29

OEIS Server: https://oeis.org/edit/global/1833

#11 by Russ Cox at Fri Mar 30 17:38:11 EDT 2012

AUTHOR

David Applegate, _Marc LeBrun (mlb(AT)well.com) _ and N. J. A. Sloane, Jul 06 2010

Discussion

Fri Mar 30

17:38

OEIS Server: https://oeis.org/edit/global/183

#10 by Russ Cox at Fri Mar 30 17:21:02 EDT 2012

AUTHOR

_David Applegate (david(AT)research.att.com), _, Marc LeBrun (mlb(AT)well.com) and N. J. A. Sloane, Jul 06 2010

Discussion

Fri Mar 30

17:21

OEIS Server: https://oeis.org/edit/global/118

#9 by Russ Cox at Fri Mar 30 16:51:45 EDT 2012

AUTHOR

David Applegate (david(AT)research.att.com), Marc LeBrun (mlb(AT)well.com) and _N. J. A. Sloane (njas(AT)research.att.com), _, Jul 06 2010

Discussion

Fri Mar 30

16:51

OEIS Server: https://oeis.org/edit/global/110

#8 by Harvey P. Dale at Fri Aug 05 16:18:27 EDT 2011

STATUS

editing

approved

#7 by Harvey P. Dale at Fri Aug 05 16:18:14 EDT 2011

MATHEMATICA

With[{upto=410}, Select[Union[Join[Select[Range[upto], And@@EvenQ[ IntegerDigits[#]]&], FromDigits/@Tuples[{5, 0}, Ceiling[Log[ 10, upto]]]]], #<=upto&]] (* From Harvey P. Dale, Aug 05 2011 *)

STATUS

approved

editing

#6 by Russ Cox at Sun Jul 10 18:19:43 EDT 2011

LINKS

<a href="/Sindx_index/Ca.html#CARRYLESS">Index entries for sequences related to carryless arithmetic</a>

Discussion

Sun Jul 10

18:19

OEIS Server: https://oeis.org/edit/global/26