n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 21 |
3 | 231 |
4 | 3465 |
5 | 65835 |
6 | 1514205 |
7 | 40883535 |
8 | 1267389585 |
9 | 44358635475 |
10 | 1729986783525 |
11 | 74389431691575 |
12 | 3496303289504025 |
13 | 178311467764705275 |
14 | 9807130727058790125 |
15 | 578620712896468617375 |
16 | 36453104912477522894625 |
17 | 2442358029135994033939875 |
[1,3,21,231,3465,65835,1514205,40883535, 1267389585,44358635475,1729986783525, 74389431691575,3496303289504025, 178311467764705275,9807130727058790125, 578620712896468617375,36453104912477522894625, 2442358029135994033939875] |