n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 23 |
4 | 171 |
5 | 1770 |
6 | 23128 |
7 | 359326 |
8 | 6397582 |
9 | 127481106 |
10 | 2798191975 |
11 | 66906139414 |
12 | 1728471631521 |
13 | 47946527974230 |
14 | 1421014299626478 |
15 | 44813786218342428 |
16 | 1498598183095006145 |
17 | 52978138615818746064 |
[1,2,5,23,171,1770,23128,359326,6397582,127481106, 2798191975,66906139414,1728471631521, 47946527974230,1421014299626478,44813786218342428, 1498598183095006145,52978138615818746064] |