n | a(n) |
---|---|
6 | 1 |
7 | 42 |
8 | 1128 |
9 | 24804 |
10 | 487635 |
11 | 8936928 |
12 | 156238908 |
13 | 2641902120 |
14 | 43595145594 |
15 | 706252528630 |
16 | 11279926456656 |
17 | 178152655364880 |
18 | 2788629694000605 |
19 | 43334780015908584 |
20 | 669413654240461560 |
21 | 10289781864706066800 |
[1,42,1128,24804,487635,8936928,156238908, 2641902120,43595145594,706252528630, 11279926456656,178152655364880,2788629694000605, 43334780015908584,669413654240461560, 10289781864706066800] |