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!)

A009827 as a simple table

n a(n)
0 0
1 1
2 0
3 1
4 -12
5 56
6 -240
7 1744
8 -16128
9 143296
10 -1353600
11 14972288
12 -183912960
13 2385640960
14 -33085817856
15 496732177408
16 -7978174955520
17 135579928592384
18 -2436661138489344
19 46303359719833600
20 -926648972098928640

[0,1,0,1,-12,56,-240,1744,-16128,143296,-1353600,
 14972288,-183912960,2385640960,-33085817856,
 496732177408,-7978174955520,135579928592384,
 -2436661138489344,46303359719833600,
 -926648972098928640]

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 March 28 16:12 EDT 2024. Contains 371254 sequences. (Running on oeis4.)