n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | -3 |
4 | 17 |
5 | -115 |
6 | 841 |
7 | -6288 |
8 | 46174 |
9 | -320366 |
10 | 1997348 |
11 | -10216611 |
12 | 32418767 |
13 | 68603755 |
14 | -1909624513 |
15 | 15239954041 |
16 | -103620859984 |
17 | 1499179409198 |
18 | -25808959095992 |
19 | 258001631302410 |
20 | -239530586418995 |
21 | -25424691109062239 |
22 | 84868851253494310 |
[1,1,-3,17,-115,841,-6288,46174,-320366,1997348, -10216611,32418767,68603755,-1909624513, 15239954041,-103620859984,1499179409198, -25808959095992,258001631302410,-239530586418995, -25424691109062239,84868851253494310] |