n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 96 |
6 | 456 |
7 | 2134 |
8 | 11650 |
9 | 74546 |
10 | 530962 |
11 | 3437002 |
12 | 24793292 |
13 | 214741200 |
14 | 2028628716 |
15 | 17460401888 |
16 | 162168439452 |
[1,2,6,24,96,456,2134,11650,74546,530962,3437002, 24793292,214741200,2028628716,17460401888, 162168439452] |