n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 35 |
4 | 265 |
5 | 2100 |
6 | 17075 |
7 | 141246 |
8 | 1182719 |
9 | 9994086 |
10 | 85049639 |
11 | 727865758 |
12 | 6257933219 |
13 | 54010196582 |
14 | 467657712902 |
15 | 4060558796894 |
16 | 35341693437365 |
17 | 308249001184768 |
18 | 2693524485431382 |
19 | 23575195919671458 |
20 | 206647076624751357 |
[1,5,35,265,2100,17075,141246,1182719,9994086, 85049639,727865758,6257933219,54010196582, 467657712902,4060558796894,35341693437365, 308249001184768,2693524485431382, 23575195919671458,206647076624751357] |