n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 9 |
4 | 61 |
5 | 662 |
6 | 8545 |
7 | 144603 |
8 | 2738912 |
9 | 62850373 |
10 | 1819921905 |
11 | 56354728682 |
12 | 2083305039329 |
13 | 85359151883807 |
14 | 3668360225964372 |
15 | 172327571468441677 |
16 | 9129692927601444509 |
17 | 538479555157016784354 |
18 | 32838123171650422401085 |
[1,1,2,9,61,662,8545,144603,2738912,62850373, 1819921905,56354728682,2083305039329, 85359151883807,3668360225964372, 172327571468441677,9129692927601444509, 538479555157016784354,32838123171650422401085] |