n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 19 |
4 | 207 |
5 | 3451 |
6 | 81663 |
7 | 2602699 |
8 | 107477247 |
9 | 5581680571 |
10 | 356046745023 |
11 | 27365431508779 |
12 | 2494237642655487 |
13 | 266005087863259291 |
14 | 32815976815540917183 |
15 | 4636895313201764853259 |
16 | 743988605732990946684927 |
[1,1,3,19,207,3451,81663,2602699,107477247, 5581680571,356046745023,27365431508779, 2494237642655487,266005087863259291, 32815976815540917183,4636895313201764853259, 743988605732990946684927] |