n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 12 |
4 | 72 |
5 | 432 |
6 | 5184 |
7 | 41472 |
8 | 497664 |
9 | 5971968 |
10 | 107495424 |
11 | 1289945088 |
12 | 30958682112 |
13 | 433421549568 |
14 | 10402117189632 |
15 | 249650812551168 |
16 | 5991619501228032 |
17 | 107849151022104576 |
18 | 3882569436795764736 |
[1,3,12,72,432,5184,41472,497664,5971968, 107495424,1289945088,30958682112,433421549568, 10402117189632,249650812551168,5991619501228032, 107849151022104576,3882569436795764736] |