n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | -6 |
4 | 60 |
5 | -720 |
6 | 9398 |
7 | -126958 |
8 | 1719439 |
9 | -22778647 |
10 | 288721672 |
11 | -3426131120 |
12 | 37291873546 |
13 | -368633930696 |
14 | 3421668183648 |
15 | -33763691015949 |
16 | 382711017377914 |
17 | -3403489111329505 |
18 | -22613095886515578 |
19 | 1672401759052466166 |
20 | -27936127591842262118 |
21 | -15637150116164531317 |
[1,1,-6,60,-720,9398,-126958,1719439,-22778647, 288721672,-3426131120,37291873546,-368633930696, 3421668183648,-33763691015949,382711017377914, -3403489111329505,-22613095886515578, 1672401759052466166,-27936127591842262118, -15637150116164531317] |