n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 11 |
5 | 38 |
6 | 946 |
7 | 4580 |
8 | 202738 |
9 | 3786092 |
10 | 261868876 |
11 | 1992367192 |
12 | 2381255244240 |
13 | 21411255538848 |
14 | 2902625722978656 |
15 | 451716954504285504 |
16 | 319933105641374465472 |
17 | 3761845343198709705600 |
[1,1,2,11,38,946,4580,202738,3786092,261868876, 1992367192,2381255244240,21411255538848, 2902625722978656,451716954504285504, 319933105641374465472,3761845343198709705600] |