n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 2 |
6 | 6 |
7 | 12 |
8 | 79 |
9 | 792 |
10 | 19576 |
11 | 886288 |
12 | 75369960 |
13 | 11856006240 |
14 | 3467430423264 |
15 | 1893448825054528 |
16 | 1938818712501985736 |
17 | 3737086626658278741376 |
18 | 13606268915761294708760704 |
19 | 93863103860384959101157737728 |
[1,1,1,2,2,6,12,79,792,19576,886288,75369960, 11856006240,3467430423264,1893448825054528, 1938818712501985736,3737086626658278741376, 13606268915761294708760704, 93863103860384959101157737728] |