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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A138793 as a simple table

n a(n)
1 1
2 21
3 321
4 4321
5 54321
6 654321
7 7654321
8 87654321
9 987654321
10 1987654321
11 1101987654321
12 211101987654321
13 31211101987654321
14 4131211101987654321
15 514131211101987654321
16 61514131211101987654321
17 7161514131211101987654321

[1,21,321,4321,54321,654321,7654321,87654321,
 987654321,1987654321,1101987654321,
 211101987654321,31211101987654321,
 4131211101987654321,514131211101987654321,
 61514131211101987654321,7161514131211101987654321]

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 August 21 18:26 EDT 2019. Contains 326168 sequences. (Running on oeis4.)