n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 20 |
3 | 175 |
4 | 1764 |
5 | 19404 |
6 | 226512 |
7 | 2760615 |
8 | 34763300 |
9 | 449141836 |
10 | 5924217936 |
11 | 79483257308 |
12 | 1081724803600 |
13 | 14901311070000 |
14 | 207426250094400 |
15 | 2913690606794775 |
16 | 41255439318353700 |
17 | 588272005095043500 |
[1,3,20,175,1764,19404,226512,2760615,34763300, 449141836,5924217936,79483257308,1081724803600, 14901311070000,207426250094400,2913690606794775, 41255439318353700,588272005095043500] |