n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 12 |
4 | 84 |
5 | 924 |
6 | 16632 |
7 | 482328 |
8 | 22669416 |
9 | 1722875616 |
10 | 211913700768 |
11 | 42170826452832 |
12 | 13579006117811904 |
13 | 7074662187380001984 |
14 | 5963940223961341672512 |
15 | 8134814465483270041306368 |
[1,1,3,12,84,924,16632,482328,22669416,1722875616, 211913700768,42170826452832,13579006117811904, 7074662187380001984,5963940223961341672512, 8134814465483270041306368] |