n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 12 |
4 | 63 |
5 | 432 |
6 | 3798 |
7 | 41472 |
8 | 543483 |
9 | 8301312 |
10 | 144502218 |
11 | 2818685952 |
12 | 60826110678 |
13 | 1437615931392 |
14 | 36914181252588 |
15 | 1022923413061632 |
16 | 30419533530730323 |
17 | 966125479213596672 |
18 | 32634383834158752258 |
19 | 1168128785923721920512 |
[1,3,12,63,432,3798,41472,543483,8301312, 144502218,2818685952,60826110678,1437615931392, 36914181252588,1022923413061632,30419533530730323, 966125479213596672,32634383834158752258, 1168128785923721920512] |