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!)

A012655 as a simple table

n a(n)
0 0
1 0
2 2
3 -3
4 0
5 -10
6 40
7 504
8 -2352
9 -4824
10 59008
11 -2753080
12 51956960
13 -457517424
14 3806598640
15 -21282319800
16 -762122185216
17 20040705852992
18 -230870869215744
19 1622064680555904
20 59149402039301888

[0,0,2,-3,0,-10,40,504,-2352,-4824,59008,-2753080,
 51956960,-457517424,3806598640,-21282319800,
 -762122185216,20040705852992,-230870869215744,
 1622064680555904,59149402039301888]

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 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)