n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 1 |
3 | 3 |
4 | -6 |
5 | 1 |
6 | -15 |
7 | 45 |
8 | -15 |
9 | 1 |
10 | 105 |
11 | -420 |
12 | 210 |
13 | -28 |
14 | 1 |
15 | -945 |
16 | 4725 |
17 | -3150 |
18 | 630 |
19 | -45 |
20 | 1 |
21 | 10395 |
22 | -62370 |
23 | 51975 |
24 | -13860 |
25 | 1485 |
26 | -66 |
27 | 1 |
28 | -135135 |
29 | 945945 |
30 | -945945 |
31 | 315315 |
32 | -45045 |
33 | 3003 |
34 | -91 |
35 | 1 |
36 | 2027025 |
37 | -16216200 |
38 | 18918900 |
39 | -7567560 |
40 | 1351350 |
41 | -120120 |
42 | 5460 |
43 | -120 |
44 | 1 |
[1,-1,1,3,-6,1,-15,45,-15,1,105,-420,210,-28,1, -945,4725,-3150,630,-45,1,10395,-62370,51975, -13860,1485,-66,1,-135135,945945,-945945,315315, -45045,3003,-91,1,2027025,-16216200,18918900, -7567560,1351350,-120120,5460,-120,1] |