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!)
A136824 Numbers n such that n and the square of n use only the digits 0, 1, 2, 5 and 7. 1
0, 1, 5, 10, 11, 15, 50, 100, 101, 105, 110, 150, 500, 501, 505, 711, 715, 755, 1000, 1001, 1005, 1010, 1011, 1050, 1100, 1101, 1105, 1255, 1500, 5000, 5001, 5005, 5010, 5011, 5015, 5050, 7110, 7150, 7251, 7550, 10000, 10001, 10005, 10010, 10011, 10050, 10100, 10105, 10110, 10500, 10501, 11000, 11001, 11005, 11010, 11050, 11205, 12550, 15000, 15005 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Generated with DrScheme

LINKS

Jonathan Wellons, Table of n, a(n) for n=1..1262

J. Wellons, Tables of Shared Digits

EXAMPLE

721257251^2 = 520212022120077001

CROSSREFS

Sequence in context: A130228 A136826 A136825 * A136822 A189151 A120513

Adjacent sequences:  A136821 A136822 A136823 * A136825 A136826 A136827

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 May 30 11:18 EDT 2020. Contains 334724 sequences. (Running on oeis4.)