The On-Line Encyclopedia of Integer Sequences (OEIS)

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Revision History for A137125

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Numbers k such that k and k^2 use only the digits 3, 4, 5, 7 and 9.
(history; published version)

#7 by Charles R Greathouse IV at Fri Apr 12 09:51:27 EDT 2024

LINKS

J. Wellons, <a href="https://web.archive.org/web/20090206165028/http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a> [archived]

Discussion

Fri Apr 12

09:51

OEIS Server: https://oeis.org/edit/global/2988

#6 by Joerg Arndt at Mon Jul 05 10:28:28 EDT 2021

STATUS

proposed

approved

#5 by Jon E. Schoenfield at Mon Jul 05 10:27:22 EDT 2021

STATUS

editing

proposed

#4 by Jon E. Schoenfield at Mon Jul 05 10:27:19 EDT 2021

NAME

Numbers n k such that n k and the square of n k^2 use only the digits 3, 4, 5, 7 and 9.

COMMENTS

Generated with DrScheme.

LINKS

Jonathan Wellons, <a href="/A137125/b137125.txt">Table of n, a(n) for n = 1..27</a>

EXAMPLE

595435957595357^2 = 354543979597499779457747957449.

STATUS

approved

editing

#3 by N. J. A. Sloane at Thu Nov 11 07:34:06 EST 2010

LINKS

Jonathan Wellons, <a href="/A137125/b137125.txt">Table of n, a(n) for n=1..27</a>

KEYWORD

base,nonn,new

#2 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

LINKS

Jonathan Wellons, <a href="http://www.research.att.com/~njas/sequences/b137125.txt">Table of n, a(n) for n=1..27</a>

KEYWORD

base,nonn,new

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

NAME

Numbers n such that n and the square of n use only the digits 3, 4, 5, 7 and 9.

DATA

3, 7, 595357, 7344357, 59455357, 99739357, 577373357, 733344357, 5995394357, 74393373357, 75733344357, 599947779357, 7333334394357, 7574599379357, 7745953359357, 59999477779357, 73454473995357, 74397577779357, 77455454775357, 97945797939357, 594537934344357, 595377993995357, 595435957595357, 734543775373357

OFFSET

1,1

COMMENTS

Generated with DrScheme

LINKS

Jonathan Wellons, <a href="http://www.research.att.com/~njas/sequences/b137125.txt">Table of n, a(n) for n=1..27</a>

J. Wellons, <a href="http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a>

EXAMPLE

595435957595357^2 = 354543979597499779457747957449

KEYWORD

base,nonn

AUTHOR

Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008

STATUS

approved