n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | -4 |
4 | -19 |
5 | 12 |
6 | 517 |
7 | 1472 |
8 | -18023 |
9 | -159792 |
10 | 587529 |
11 | 16362304 |
12 | 19183749 |
13 | -1834702400 |
14 | -12219870323 |
15 | 218477736448 |
16 | 3379214470193 |
17 | -23399883425536 |
18 | -883981857320943 |
19 | 225490426670080 |
20 | 238930492488456221 |
[1,1,1,-4,-19,12,517,1472,-18023,-159792,587529, 16362304,19183749,-1834702400,-12219870323, 218477736448,3379214470193,-23399883425536, -883981857320943,225490426670080, 238930492488456221] |