n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 31 |
3 | 245 |
4 | 2455 |
5 | 30365 |
6 | 449551 |
7 | 7761605 |
8 | 153140935 |
9 | 3399230765 |
10 | 83835351871 |
11 | 2274397617365 |
12 | 67312256650615 |
13 | 2158161871352765 |
14 | 74517549339738991 |
15 | 2756743349166359525 |
16 | 108783450670915699495 |
17 | 4560981017661898860365 |
18 | 202477738962469000202911 |
[1,5,31,245,2455,30365,449551,7761605,153140935, 3399230765,83835351871,2274397617365, 67312256650615,2158161871352765,74517549339738991, 2756743349166359525,108783450670915699495, 4560981017661898860365,202477738962469000202911] |