n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | -1 |
5 | -10 |
6 | -65 |
7 | -350 |
8 | -1631 |
9 | -5250 |
10 | 18395 |
11 | 685850 |
12 | 10485739 |
13 | 127737610 |
14 | 1336804105 |
15 | 11432407350 |
16 | 54280609109 |
17 | -712071643930 |
18 | -29671691715185 |
19 | -660215774400350 |
20 | -11770593620859521 |
21 | -176475952496559870 |
22 | -2055362595355830475 |
23 | -9749893741512339250 |
[1,0,0,0,-1,-10,-65,-350,-1631,-5250,18395,685850, 10485739,127737610,1336804105,11432407350, 54280609109,-712071643930,-29671691715185, -660215774400350,-11770593620859521, -176475952496559870,-2055362595355830475, -9749893741512339250] |