n | a(n) |
---|---|
0 | -1 |
1 | 2 |
2 | -4 |
3 | 15 |
4 | -44 |
5 | 385 |
6 | -294 |
7 | 32473 |
8 | 280120 |
9 | 8528049 |
10 | 170757910 |
11 | 4748977321 |
12 | 132530188308 |
13 | 4210910824393 |
14 | 142940443542274 |
15 | 5273270156096265 |
16 | 208276214340505456 |
17 | 8800344095155520353 |
18 | 395536292522024420142 |
19 | 18853858817276143333321 |
20 | 949787282108877829653580 |
[-1,2,-4,15,-44,385,-294,32473,280120,8528049, 170757910,4748977321,132530188308,4210910824393, 142940443542274,5273270156096265, 208276214340505456,8800344095155520353, 395536292522024420142,18853858817276143333321, 949787282108877829653580] |