Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A136970
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A136970 Numbers n such that n and the square of n use only the digits 1, 2, 3, 4 and 7. +0
1
1, 2, 11, 12, 21, 111, 132, 271, 421, 1111, 1171, 1312, 1332, 2171, 13332, 34311, 34312, 133332, 371111, 417412, 421111, 473421, 1214171, 1333332, 3337271, 3427421, 12137271, 13333332, 121337271, 131423412, 133333332, 177232171, 217433311, 333432412, 334232171, 337227421, 377774171, 473743311, 1114142412, 1114142421, 1114144171 (list; graph; listen)
OFFSET

1,2

COMMENT

Generated with DrScheme

LINKS

Jonathan Wellons, Table of n, a(n) for n=1..149

J. Wellons, Tables of Shared Digits

EXAMPLE

217134132142421^2 = 47147231341242344447427741241

CROSSREFS

Sequence in context: A038113 A089600 A114034 this_sequence A136967 A137001 A136996

Adjacent sequences: A136967 A136968 A136969 this_sequence A136971 A136972 A136973

KEYWORD

base,nonn

AUTHOR

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

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified September 7 23:08 EDT 2008. Contains 143486 sequences.


AT&T Labs Research