n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 25 |
4 | 745 |
5 | 2306 |
6 | 7081 |
7 | 31945 |
8 | 435866 |
9 | 716881 |
10 | 733442 |
11 | 4106917 |
12 | 21714577 |
13 | 203637493 |
14 | 263669781 |
15 | 689256613 |
16 | 1513925617 |
[1,2,25,745,2306,7081,31945,435866,716881,733442, 4106917,21714577,203637493,263669781,689256613, 1513925617] |