Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | -4 |
2 | 4 |
3 | -4 |
4 | 20 |
5 | -36 |
6 | 52 |
7 | -116 |
8 | 244 |
9 | -500 |
10 | 964 |
11 | -1876 |
12 | 3876 |
13 | -7780 |
14 | 15332 |
15 | -30628 |
16 | 61684 |
17 | -123460 |
18 | 246036 |
19 | -491988 |
20 | 985492 |
21 | -1971284 |
22 | 3939556 |
23 | -7878068 |
24 | 15762692 |
25 | -31527428 |
26 | 63041220 |
27 | -126078916 |
28 | 252185044 |
29 | -504375460 |
30 | 1008698036 |
31 | -2017385268 |
32 | 4034873268 |
[1,-4,4,-4,20,-36,52,-116,244,-500,964,-1876,3876, -7780,15332,-30628,61684,-123460,246036,-491988, 985492,-1971284,3939556,-7878068,15762692, -31527428,63041220,-126078916,252185044, -504375460,1008698036,-2017385268,4034873268] |