login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 60th year, we have over 367,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A146013 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 5
6 23
7 94
8 401
9 1988
10 14721
11 122901
12 1562739
13 20966035
14 411218439
15 8595065749
16 245851647552
17 7857204479253
18 356188989672617

[1,1,1,1,5,23,94,401,1988,14721,122901,1562739,
 20966035,411218439,8595065749,245851647552,
 7857204479253,356188989672617]

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 December 2 13:18 EST 2023. Contains 367522 sequences. (Running on oeis4.)