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!)

A153772 as a simple table

n a(n)
0 -1
1 -2
2 0
3 0
4 4
5 8
6 20
7 40
8 84
9 168
10 340
11 680
12 1364
13 2728
14 5460
15 10920
16 21844
17 43688
18 87380
19 174760
20 349524
21 699048
22 1398100
23 2796200
24 5592404
25 11184808
26 22369620
27 44739240
28 89478484
29 178956968
30 357913940
31 715827880

[-1,-2,0,0,4,8,20,40,84,168,340,680,1364,2728,
 5460,10920,21844,43688,87380,174760,349524,699048,
 1398100,2796200,5592404,11184808,22369620,
 44739240,89478484,178956968,357913940,715827880]

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 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)