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!)

A180657 as a simple table

n a(n)
1 1
2 -3
3 0
4 4
5 -9
6 105
7 -308
8 36
9 -423
10 2387
11 -26004
12 104472
13 -50617
14 119889
15 -5466072
16 3154072
17 51692571
18 -2921193
19 351666136
20 -1278405156
21 11188330461
22 -68445012691
23 553299094188
24 -4915961459556

[1,-3,0,4,-9,105,-308,36,-423,2387,-26004,104472,
 -50617,119889,-5466072,3154072,51692571,-2921193,
 351666136,-1278405156,11188330461,-68445012691,
 553299094188,-4915961459556]

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 6 08:53 EDT 2020. Contains 333268 sequences. (Running on oeis4.)