The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)

A216632 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 3
9 6
10 12
11 24
12 63
13 164
14 424
15 1163
16 2919
17 8289
18 24060
19 70704
20 212130
21 672520
22 2080293
23 6485878
24 20449084 

[1,1,1,1,1,1,2,3,6,12,24,63,164,424,1163,2919,
 8289,24060,70704,212130,672520,2080293,6485878,
 20449084]

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 May 16 17:27 EDT 2024. Contains 372554 sequences. (Running on oeis4.)