n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 35 |
3 | 231 |
4 | 6435 |
5 | 46189 |
6 | 676039 |
7 | 5014575 |
8 | 300540195 |
9 | 2268783825 |
10 | 34461632205 |
11 | 263012370465 |
12 | 8061900920775 |
13 | 61989816618513 |
14 | 956086325095055 |
15 | 7391536347803839 |
16 | 916312070471295267 |
17 | 7113260368810144185 |
18 | 110628135069209194801 |
19 | 861577581086657669325 |
20 | 26876802183334044115405 |
[1,3,35,231,6435,46189,676039,5014575,300540195, 2268783825,34461632205,263012370465,8061900920775, 61989816618513,956086325095055,7391536347803839, 916312070471295267,7113260368810144185, 110628135069209194801,861577581086657669325, 26876802183334044115405] |