n | a(n) |
---|---|
1 | 1 |
2 | -7 |
3 | 42 |
4 | -231 |
5 | 1155 |
6 | -4998 |
7 | 15827 |
8 | -791 |
9 | -566244 |
10 | 6506955 |
11 | -53524611 |
12 | 369879930 |
13 | -2218053747 |
14 | 11306008875 |
15 | -43772711220 |
16 | 55203364377 |
17 | 1172838094533 |
18 | -16542312772356 |
19 | 150992704165079 |
20 | -1130142960861845 |
21 | 7290759457923816 |
[1,-7,42,-231,1155,-4998,15827,-791,-566244, 6506955,-53524611,369879930,-2218053747, 11306008875,-43772711220,55203364377, 1172838094533,-16542312772356,150992704165079, -1130142960861845,7290759457923816] |