n | a(n) |
---|---|
0 | 1 |
1 | -4 |
2 | 2 |
3 | 0 |
4 | 27 |
5 | -36 |
6 | 14 |
7 | -104 |
8 | 209 |
9 | -392 |
10 | 670 |
11 | -728 |
12 | 2278 |
13 | -4444 |
14 | 4808 |
15 | -9800 |
16 | 21750 |
17 | -35604 |
18 | 51906 |
19 | -91120 |
20 | 176285 |
21 | -290444 |
22 | 455168 |
23 | -741336 |
24 | 1372544 |
25 | -2419348 |
26 | 3490310 |
27 | -5765744 |
28 | 10788815 |
29 | -17086420 |
30 | 26221946 |
31 | -44374160 |
[1,-4,2,0,27,-36,14,-104,209,-392,670,-728,2278, -4444,4808,-9800,21750,-35604,51906,-91120,176285, -290444,455168,-741336,1372544,-2419348,3490310, -5765744,10788815,-17086420,26221946,-44374160] |