n | a(n) |
---|---|
1 | 2 |
2 | 3 |
3 | 4 |
4 | 9 |
5 | 28 |
6 | 117 |
7 | 1063 |
8 | 59305 |
9 | 20813950 |
10 | 297984461349 |
11 | 1369656755010903367 |
12 | 44484668455038959221955630581 |
13 | 2160062633529958340011598192248388618489251093 |
[2,3,4,9,28,117,1063,59305,20813950,297984461349, 1369656755010903367,44484668455038959221955630581, 2160062633529958340011598192248388618489251093] |