n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 5 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 315 |
10 | 6300 |
11 | 0 |
12 | 0 |
13 | 150150 |
14 | 6306300 |
15 | 94594500 |
16 | 0 |
17 | 268017750 |
18 | 17689171500 |
19 | 549972423000 |
20 | 7332965640000 |
21 | 1283268987000 |
22 | 117632990475000 |
23 | 5681673439942500 |
24 | 155840185781280000 |
25 | 1961530116170625000 |
26 | 1606200062942475000 |
[1,0,0,0,0,5,0,0,0,315,6300,0,0,150150,6306300, 94594500,0,268017750,17689171500,549972423000, 7332965640000,1283268987000,117632990475000, 5681673439942500,155840185781280000, 1961530116170625000,1606200062942475000] |