The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A039937 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A039937

Smallest k for which k, 2k, ... nk all contain the digit 6.
(history; published version)

#8 by Alois P. Heinz at Thu Apr 27 18:47:16 EDT 2017

STATUS

proposed

approved

#7 by Giovanni Resta at Thu Apr 27 18:17:12 EDT 2017

STATUS

editing

proposed

#6 by Giovanni Resta at Thu Apr 27 18:04:11 EDT 2017

COMMENTS

a(197) > 10^12. - Giovanni Resta, Apr 27 2017

LINKS

Giovanni Resta, <a href="/A039937/b039937.txt">Table of n, a(n) for n = 1..196</a>

CROSSREFS

Cf. A039932, A039933, A039934, A039935, A039936, A039938, A039939, A039940.

EXTENSIONS

More terms from Patrick De Geest, Oct 15 1999.

STATUS

approved

editing

#5 by Charles R Greathouse IV at Fri Aug 24 10:47:57 EDT 2012

EXTENSIONS

More terms from _Patrick De Geest (pdg(AT)worldofnumbers.com), _, Oct 15 1999.

Discussion

Fri Aug 24

10:47

OEIS Server: https://oeis.org/edit/global/1824

#4 by Russ Cox at Sat Mar 31 13:22:18 EDT 2012

AUTHOR

Erich Friedman (erich.friedman(AT)stetson.edu)

Erich Friedman

Discussion

Sat Mar 31

13:22

OEIS Server: https://oeis.org/edit/global/887

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

KEYWORD

base,nonn,new

EXTENSIONS

More terms from Patrick De Geest (pdg(AT)worldofnumbers.com), 10/99Oct 15 1999.

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

KEYWORD

base,nonn,new

AUTHOR

Erich Friedman (erich.friedman@(AT)stetson.edu)

EXTENSIONS

More terms from Patrick De Geest (Patrick.DeGeest@pingpdg(AT)worldofnumbers.becom), 10/99.

#1 by N. J. A. Sloane at Sat Dec 11 03:00:00 EST 1999

NAME

Smallest k for which k, 2k, ... nk all contain the digit 6.

DATA

6, 63, 563, 1563, 1632, 3216, 12316, 23266, 66321, 66321, 76923, 76923, 156328, 280692, 566331, 566331, 566331, 2307692, 2307692, 2307692, 2307692, 2307692, 2307692, 2307692, 2307692, 11533664, 23306676, 23306676, 23306676, 23306676

OFFSET

1,1

EXAMPLE

a(2)=63 since 63 and 126 contain a 6.

KEYWORD

base,nonn

AUTHOR

Erich Friedman (erich.friedman@stetson.edu)

EXTENSIONS

More terms from Patrick De Geest (Patrick.DeGeest@ping.be), 10/99.

STATUS

approved