login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A136999 Numbers n such that n and the square of n use only the digits 1, 2, 4 and 8. 0
1, 2, 11, 12, 21, 22, 122, 221, 1488, 11141 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Generated with DrScheme

LINKS

Table of n, a(n) for n=1..10.

J. Wellons, Tables of Shared Digits

EXAMPLE

11141^2 = 124121881

CROSSREFS

Sequence in context: A007931 A136407 A214215 * A271372 A053880 A063112

Adjacent sequences:  A136996 A136997 A136998 * A137000 A137001 A137002

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 February 16 08:26 EST 2019. Contains 320159 sequences. (Running on oeis4.)