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!)

A157981 as a simple table

n a(n)
0 1
1 23
2 -1
3 480
4 -46
5 1
6 9472
7 -1440
8 69
9 -1
10 180224
11 -37888
12 2880
13 -92
14 1
15 3342336
16 -901120
17 94720
18 -4800
19 115
20 -1
21 60817408
22 -20054016
23 2703360
24 -189440
25 7200
26 -138
27 1
28 1090519040
29 -425721856
30 70189056
31 -6307840
32 331520
33 -10080
34 161
35 -1

[1,23,-1,480,-46,1,9472,-1440,69,-1,180224,-37888,
 2880,-92,1,3342336,-901120,94720,-4800,115,-1,
 60817408,-20054016,2703360,-189440,7200,-138,1,
 1090519040,-425721856,70189056,-6307840,331520,
 -10080,161,-1]

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 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)