login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A137010 Numbers k such that k and k^2 use only the digits 1, 2, 5 and 8. 0
1, 5, 11, 15, 285, 1585, 2285, 285515 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Generated with DrScheme.

LINKS

Table of n, a(n) for n=1..8.

J. Wellons, Tables of Shared Digits

EXAMPLE

285515^2 = 81518815225.

CROSSREFS

Sequence in context: A276037 A221743 A137008 * A137007 A137012 A259067

Adjacent sequences:  A137007 A137008 A137009 * A137011 A137012 A137013

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 23 08:40 EDT 2021. Contains 348211 sequences. (Running on oeis4.)