n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | -1 |
3 | 9 |
4 | -54 |
5 | 210 |
6 | 510 |
7 | -24500 |
8 | 355544 |
9 | -3310776 |
10 | 7970880 |
11 | 511460048 |
12 | -14772993312 |
13 | 247420878848 |
14 | -2080751146656 |
15 | -34093875419760 |
16 | 2085552636479488 |
17 | -56037789835944320 |
18 | 880848150693672192 |
[1,0,-1,9,-54,210,510,-24500,355544,-3310776, 7970880,511460048,-14772993312,247420878848, -2080751146656,-34093875419760,2085552636479488, -56037789835944320,880848150693672192] |