login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A009720 as a simple table

n a(n)
0 1
1 -3
2 -43
3 2009
4 6313
5 -9872907
6 760322045
7 105243758801
8 -41122814903471
9 1873399639193325
10 3032918686052577317
11 -1060046322104258754871
12 -196239553045718536023047
13 335369132729230015620066021

[1,-3,-43,2009,6313,-9872907,760322045,
 105243758801,-41122814903471,1873399639193325,
 3032918686052577317,-1060046322104258754871,
 -196239553045718536023047,
 335369132729230015620066021]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 10 15:15 EDT 2021. Contains 342845 sequences. (Running on oeis4.)