n | a(n) |
---|---|
1 | 2 |
2 | 10 |
3 | 70 |
4 | 770 |
5 | 8470 |
6 | 110110 |
7 | 1871870 |
8 | 31821790 |
9 | 604614010 |
10 | 13906122230 |
11 | 319840811290 |
12 | 9275383527410 |
13 | 268986122294890 |
14 | 7800597546551810 |
15 | 241818523943106110 |
16 | 8947285385894926070 |
17 | 331049559278112264590 |
[2,10,70,770,8470,110110,1871870,31821790, 604614010,13906122230,319840811290,9275383527410, 268986122294890,7800597546551810, 241818523943106110,8947285385894926070, 331049559278112264590] |