n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 5 |
4 | 24 |
5 | 215 |
6 | 2256 |
7 | 26925 |
8 | 339523 |
9 | 4456349 |
10 | 60149731 |
11 | 830492066 |
12 | 11681979493 |
13 | 166929456330 |
14 | 2417719752083 |
15 | 35429035715975 |
[1,1,5,24,215,2256,26925,339523,4456349,60149731, 830492066,11681979493,166929456330,2417719752083, 35429035715975] |