n | a(n) |
---|---|
1 | 4 |
2 | -6 |
3 | 24 |
4 | -66 |
5 | 208 |
6 | -676 |
7 | 2344 |
8 | -8226 |
9 | 29144 |
10 | -104760 |
11 | 381304 |
12 | -1398476 |
13 | 5162224 |
14 | -19172796 |
15 | 71582944 |
16 | -268439586 |
17 | 1010580544 |
18 | -3817734596 |
19 | 14467258264 |
20 | -54975633768 |
21 | 209430787824 |
22 | -799644629556 |
23 | 3059510616424 |
24 | -11728124734476 |
25 | 45035996273872 |
26 | -173215367702376 |
27 | 667199944815064 |
[4,-6,24,-66,208,-676,2344,-8226,29144,-104760, 381304,-1398476,5162224,-19172796,71582944, -268439586,1010580544,-3817734596,14467258264, -54975633768,209430787824,-799644629556, 3059510616424,-11728124734476,45035996273872, -173215367702376,667199944815064] |