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!)

A012021 as a simple table

n a(n)
0 1
1 -1
2 1
3 167
4 -14303
5 1383887
6 -170123615
7 26560717367
8 -5162935778879
9 1219537456849055
10 -340794504958201919
11 109077799391707298759
12 -38112045733323708444959
13 13139859774638771226676847

[1,-1,1,167,-14303,1383887,-170123615,26560717367,
 -5162935778879,1219537456849055,
 -340794504958201919,109077799391707298759,
 -38112045733323708444959,
 13139859774638771226676847]

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 18 02:55 EDT 2024. Contains 371767 sequences. (Running on oeis4.)