n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 20 |
3 | 1109 |
4 | 149777 |
5 | 40505320 |
6 | 19324787629 |
7 | 14885613436177 |
8 | 17346023517866756 |
9 | 29095672934852234945 |
10 | 67554301929824585326841 |
11 | 210353969049597164741983000 |
12 | 855886755812900060235077981449 |
13 | 4452236180954942685194928540509281 |
[1,1,20,1109,149777,40505320,19324787629, 14885613436177,17346023517866756, 29095672934852234945,67554301929824585326841, 210353969049597164741983000, 855886755812900060235077981449, 4452236180954942685194928540509281] |