n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | -1 |
4 | -7 |
5 | -19 |
6 | 1 |
7 | 211 |
8 | 1009 |
9 | 953 |
10 | -14239 |
11 | -105049 |
12 | -209879 |
13 | 1669669 |
14 | 18057313 |
15 | 56255291 |
16 | -294375199 |
17 | -4628130319 |
18 | -19929569471 |
19 | 70149241423 |
20 | 1652969810521 |
21 | 9226206209501 |
22 | -20236475188159 |
23 | -783908527648861 |
24 | -5452368869656367 |
[1,1,1,-1,-7,-19,1,211,1009,953,-14239,-105049, -209879,1669669,18057313,56255291,-294375199, -4628130319,-19929569471,70149241423, 1652969810521,9226206209501,-20236475188159, -783908527648861,-5452368869656367] |