n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 8 |
3 | 36 |
4 | 128 |
5 | -120 |
6 | -5904 |
7 | 8792 |
8 | 1015808 |
9 | -7346016 |
10 | -403678560 |
11 | 9772765552 |
12 | 226781102016 |
13 | -17673167204576 |
14 | 72041280334240 |
15 | 38308664521315920 |
16 | -1705420687695700992 |
17 | -64315848872486436736 |
18 | 11313330167773175073408 |
19 | -326450445457848188386944 |
[1,2,8,36,128,-120,-5904,8792,1015808,-7346016, -403678560,9772765552,226781102016, -17673167204576,72041280334240,38308664521315920, -1705420687695700992,-64315848872486436736, 11313330167773175073408,-326450445457848188386944] |