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!)

A128081 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 15
5 97
6 815
7 8447
8 104099
9 1487477
10 24188525
11 441170745
12 8920418105
13 198066401671
14 4791181863221
15 125421804399845
16 3532750812110925
17 106538929613501939
18 3425126166609830467
19 116938867144129019137
20 4225543021235970185429
21 161113285522023566327031

[1,1,1,3,15,97,815,8447,104099,1487477,24188525,
 441170745,8920418105,198066401671,4791181863221,
 125421804399845,3532750812110925,
 106538929613501939,3425126166609830467,
 116938867144129019137,4225543021235970185429,
 161113285522023566327031]

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 September 6 14:43 EDT 2024. Contains 375715 sequences. (Running on oeis4.)