n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 9 |
3 | 61 |
4 | 551 |
5 | 6221 |
6 | 84285 |
7 | 1332255 |
8 | 24066691 |
9 | 489100297 |
10 | 11044268633 |
11 | 274327080611 |
12 | 7433424980943 |
13 | 218208342366093 |
14 | 6898241919264181 |
15 | 233651576126946103 |
16 | 8441657595745501019 |
17 | 324052733365292875025 |
[1,2,9,61,551,6221,84285,1332255,24066691, 489100297,11044268633,274327080611,7433424980943, 218208342366093,6898241919264181, 233651576126946103,8441657595745501019, 324052733365292875025] |