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!)

A009401 as a simple table

n a(n)
0 0
1 1
2 -1
3 -3
4 14
5 -15
6 -136
7 1197
8 -5776
9 -255
10 420224
11 -5448003
12 30166784
13 241437105
14 -8354415616
15 104019879597
16 -291139373056
17 -17849464279935
18 456381834297344
19 -5108933510880003
20 -26967886768439296
21 2525823613297136625

[0,1,-1,-3,14,-15,-136,1197,-5776,-255,420224,
 -5448003,30166784,241437105,-8354415616,
 104019879597,-291139373056,-17849464279935,
 456381834297344,-5108933510880003,
 -26967886768439296,2525823613297136625]

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 06:24 EDT 2024. Contains 371769 sequences. (Running on oeis4.)