n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -1 |
3 | 3 |
4 | -4 |
5 | 5 |
6 | -1 |
7 | 7 |
8 | -64 |
9 | 9 |
10 | 1319 |
11 | 11 |
12 | -49204 |
13 | 13 |
14 | 2653559 |
15 | 15 |
16 | -196707424 |
17 | 17 |
18 | 19194804719 |
19 | 19 |
20 | -2385684870724 |
21 | 21 |
22 | 367985503366799 |
23 | 23 |
24 | -68980888889771104 |
25 | 25 |
26 | 15445553274667315799 |
27 | 27 |
28 | -4071626956018456576564 |
29 | 29 |
[0,1,-1,3,-4,5,-1,7,-64,9,1319,11,-49204,13, 2653559,15,-196707424,17,19194804719,19, -2385684870724,21,367985503366799,23, -68980888889771104,25,15445553274667315799,27, -4071626956018456576564,29] |