n | a(n) |
---|---|
1 | 2 |
2 | 23 |
3 | 87 |
4 | 157 |
5 | 1523 |
6 | 3445551 |
7 | 26620870 |
8 | 30512347 |
9 | 72713283 |
10 | 344661698 |
11 | 1129330411 |
12 | 3886591581 |
13 | 5085084202 |
14 | 11916345303 |
15 | 15510679381 |
[2,23,87,157,1523,3445551,26620870,30512347, 72713283,344661698,1129330411,3886591581, 5085084202,11916345303,15510679381] |