n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 4 |
4 | 31 |
5 | 474 |
6 | 14357 |
7 | 865024 |
8 | 103931595 |
9 | 24935913222 |
10 | 11956100981537 |
11 | 11460773522931212 |
12 | 21967828926423843319 |
13 | 84207961512578582993810 |
14 | 645554571594493917538073933 |
15 | 9897742810470352880099047702936 |
16 | 303505765229448690912596327628571427 |
[1,1,4,31,474,14357,865024,103931595,24935913222, 11956100981537,11460773522931212, 21967828926423843319,84207961512578582993810, 645554571594493917538073933, 9897742810470352880099047702936, 303505765229448690912596327628571427] |