n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | -7 |
4 | 81 |
5 | -1122 |
6 | 16906 |
7 | -264109 |
8 | 4150081 |
9 | -64119406 |
10 | 955386299 |
11 | -13491950523 |
12 | 178108552187 |
13 | -2193288809125 |
14 | 25965294143459 |
15 | -320197330438145 |
16 | 4331428366450929 |
17 | -54509980572007649 |
18 | 309687851858995853 |
19 | 8841175049606909354 |
20 | -260481122023484957344 |
21 | 727627679068983588258 |
[1,1,-7,81,-1122,16906,-264109,4150081,-64119406, 955386299,-13491950523,178108552187, -2193288809125,25965294143459,-320197330438145, 4331428366450929,-54509980572007649, 309687851858995853,8841175049606909354, -260481122023484957344,727627679068983588258] |