n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 12 |
5 | 72 |
6 | 516 |
7 | 2727 |
8 | 29935 |
9 | 295297 |
10 | 2830610 |
11 | 27816612 |
12 | 288374240 |
13 | 4410043504 |
14 | 44410041788 |
15 | 716533737436 |
16 | 16424244452552 |
[1,2,5,12,72,516,2727,29935,295297,2830610, 27816612,288374240,4410043504,44410041788, 716533737436,16424244452552] |