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!)

A146661 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 3
6 9
7 23
8 67
9 379
10 2563
11 18843
12 171357
13 2142397
14 34085501
15 656314291
16 15909337201
17 492190457043
18 19216875516479
19 939930272232161

[1,1,1,1,3,9,23,67,379,2563,18843,171357,2142397,
 34085501,656314291,15909337201,492190457043,
 19216875516479,939930272232161]

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 August 12 08:40 EDT 2022. Contains 356067 sequences. (Running on oeis4.)