n | a(n) |
---|---|
1 | 3 |
2 | 31 |
3 | 14281 |
4 | 25396561 |
5 | 273552658381614558353373506071127403199540399874192973440773009599175173339925708800000001 |
[3,31,14281,25396561, 27355265838161455835337350607112740319954039987419\ 2973440773009599175173339925708800000001] |