n | a(n) |
---|---|
1 | -1 |
2 | 0 |
3 | -1 |
4 | 0 |
5 | -1 |
6 | 0 |
7 | -1 |
8 | 0 |
9 | -2 |
10 | 13 |
11 | -141 |
12 | 1803 |
13 | -27414 |
14 | 487468 |
15 | -10026348 |
16 | 236192433 |
17 | -6317862398 |
18 | 190439655626 |
19 | -6425425249653 |
20 | 241207241774250 |
21 | -10020155328258127 |
22 | 458387180159766538 |
23 | -22989944171828251746 |
24 | 1259023596072554784854 |
25 | -75008667460769643668558 |
[-1,0,-1,0,-1,0,-1,0,-2,13,-141,1803,-27414, 487468,-10026348,236192433,-6317862398, 190439655626,-6425425249653,241207241774250, -10020155328258127,458387180159766538, -22989944171828251746,1259023596072554784854, -75008667460769643668558] |