login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A102622 Nonprime numbers n concatenated n times. 1
1, 4444, 666666, 88888888, 999999999, 10101010101010101010, 121212121212121212121212, 1414141414141414141414141414, 151515151515151515151515151515, 16161616161616161616161616161616 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

EXAMPLE

4 is a nonprime and it is concatenated four times to give 4444.

CROSSREFS

Sequence in context: A166582 A043508 A114908 * A280485 A236906 A184611

Adjacent sequences:  A102619 A102620 A102621 * A102623 A102624 A102625

KEYWORD

nonn,base

AUTHOR

Parthasarathy Nambi, Jan 31 2005

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 20 09:02 EDT 2022. Contains 353870 sequences. (Running on oeis4.)