n | a(n) |
---|---|
1 | 2 |
2 | 9 |
3 | 60 |
4 | 568 |
5 | 6890 |
6 | 102202 |
7 | 1792788 |
8 | 36313762 |
9 | 834223586 |
10 | 21432797300 |
11 | 608957461160 |
12 | 18959064989614 |
13 | 641864430972850 |
14 | 23477543114153020 |
15 | 922643768971802072 |
16 | 38770277525975117782 |
17 | 1734684393525837427074 |
[2,9,60,568,6890,102202,1792788,36313762, 834223586,21432797300,608957461160,18959064989614, 641864430972850,23477543114153020, 922643768971802072,38770277525975117782, 1734684393525837427074] |