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!)

A159901 as a simple table

n a(n)
1 1
2 12
3 123
4 1235
5 12356
6 123567
7 12356710
8 1235671011
9 123567101113
10 12356710111314
11 1235671011131415
12 123567101113141517
13 12356710111314151719
14 1235671011131415171921
15 123567101113141517192122

[1,12,123,1235,12356,123567,12356710,1235671011,
 123567101113,12356710111314,1235671011131415,
 123567101113141517,12356710111314151719,
 1235671011131415171921,123567101113141517192122]

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 April 24 17:20 EDT 2024. Contains 371962 sequences. (Running on oeis4.)