n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 12 |
3 | 124 |
4 | 1846 |
5 | 36128 |
6 | 879252 |
7 | 25637680 |
8 | 872159952 |
9 | 33933231696 |
10 | 1486845891696 |
11 | 72473120203680 |
12 | 3890486148311040 |
13 | 228103117063828992 |
14 | 14504759878784601600 |
15 | 994346460412330358016 |
16 | 73107707092779695687040 |
17 | 5738844073788385570644480 |
[1,2,12,124,1846,36128,879252,25637680,872159952, 33933231696,1486845891696,72473120203680, 3890486148311040,228103117063828992, 14504759878784601600,994346460412330358016, 73107707092779695687040,5738844073788385570644480] |