n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | -2 |
4 | -9 |
5 | 4 |
6 | 75 |
7 | 24 |
8 | -735 |
9 | -816 |
10 | 8505 |
11 | 17760 |
12 | -114345 |
13 | -388800 |
14 | 1756755 |
15 | 9233280 |
16 | -30405375 |
17 | -242968320 |
18 | 585810225 |
19 | 7125511680 |
20 | -12439852425 |
21 | -232838323200 |
22 | 288735522075 |
23 | 8450546227200 |
24 | -7273385294175 |
25 | -339004760371200 |
26 | 197646339515625 |
27 | 14945696794828800 |
28 | -5763367260275625 |
[1,1,1,-2,-9,4,75,24,-735,-816,8505,17760,-114345, -388800,1756755,9233280,-30405375,-242968320, 585810225,7125511680,-12439852425,-232838323200, 288735522075,8450546227200,-7273385294175, -339004760371200,197646339515625, 14945696794828800,-5763367260275625] |