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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A161770 n 1s followed by three 0s. 1
1000, 11000, 111000, 1111000, 11111000, 111111000, 1111111000, 11111111000, 111111111000, 1111111111000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Sequence A159741 written in base 2.

LINKS

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

FORMULA

a(n) = 1000(10^n-1)/9.

CROSSREFS

Cf.: A159741.

Sequence in context: A017271 A017511 A017643 * A004632 A277397 A250449

Adjacent sequences:  A161767 A161768 A161769 * A161771 A161772 A161773

KEYWORD

nonn,easy,base

AUTHOR

Jaroslav Krizek, Jun 18 2009

EXTENSIONS

Edited by Charles R Greathouse IV, Oct 12 2009

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 17 17:27 EST 2019. Contains 320222 sequences. (Running on oeis4.)