n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 84 |
4 | 1428 |
5 | 31416 |
6 | 848232 |
7 | 27143424 |
8 | 1004306688 |
9 | 42180880896 |
10 | 1982501402112 |
11 | 103090072909824 |
12 | 5876134155859968 |
13 | 364320317663318016 |
14 | 24409461283442307072 |
15 | 1757481212407846109184 |
16 | 135326053355404150407168 |
17 | 11096736375143140333387776 |
18 | 965416064637453209004736512 |
[1,7,84,1428,31416,848232,27143424,1004306688, 42180880896,1982501402112,103090072909824, 5876134155859968,364320317663318016, 24409461283442307072,1757481212407846109184, 135326053355404150407168, 11096736375143140333387776, 965416064637453209004736512] |