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!)

A147138 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 9
6 17
7 47
8 169
9 947
10 4301
11 28001
12 189379
13 2123749
14 21459731
15 367346875
16 5385601539 

[1,1,1,1,9,17,47,169,947,4301,28001,189379,
 2123749,21459731,367346875,5385601539]

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 16 01:01 EDT 2024. Contains 371696 sequences. (Running on oeis4.)