n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 12 |
4 | 432 |
5 | 64240 |
6 | 33904800 |
7 | 61721081184 |
8 | 394586260943616 |
9 | 9146766152111641344 |
10 | 792073976107698469670400 |
11 | 261895415169919230764987845120 |
12 | 335402460348866803020064114666616832 |
13 | 1678893205649791601327398844631544110815232 |
[1,2,12,432,64240,33904800,61721081184, 394586260943616,9146766152111641344, 792073976107698469670400, 261895415169919230764987845120, 335402460348866803020064114666616832, 1678893205649791601327398844631544110815232] |