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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A136816 Numbers n such that n and the square of n use only the digits 0, 1, 2 and 4. 2
0, 1, 2, 10, 11, 12, 20, 21, 100, 101, 102, 110, 120, 200, 201, 210, 1000, 1001, 1002, 1010, 1011, 1012, 1020, 1021, 1100, 1101, 1102, 1200, 1201, 2000, 2001, 2010, 2011, 2100, 2101, 10000, 10001, 10002, 10010, 10011, 10012, 10020, 10021, 10100, 10110, 10120, 10200, 10210, 11000, 11001, 11002, 11010, 11011, 11020, 12000, 12001, 12010, 20000, 20001 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Generated with DrScheme

Subsequence of A136817-A136821. - M. F. Hasler, Jan 24 2008

LINKS

Jonathan Wellons, Table of n, a(n) for n=1..1569

J. Wellons, Tables of Shared Digits

EXAMPLE

21010001010^2 = 441420142440201020100

CROSSREFS

Sequence in context: A136821 A105116 A136819 * A188264 A169683 A134948

Adjacent sequences:  A136813 A136814 A136815 * A136817 A136818 A136819

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 19 06:38 EDT 2019. Contains 323386 sequences. (Running on oeis4.)