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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 11 |
| 3 | 17 |
| 4 | 443 |
| 5 | 743 |
| 6 | 10159 |
| 7 | 17593 |
| 8 | 984467 |
| 9 | 1734443 |
| 10 | 24591493 |
| 11 | 43793863 |
| 12 | 1252842991 |
| 13 | 2247613027 |
| 14 | 32350749719 |
| 15 | 58349238473 |
| 16 | 6750044324867 |
| 17 | 12224356333619 |
| 18 | 177406570353769 |
| 19 | 322314014477851 |
| 20 | 9382052284364629 |
| 21 | 17089477261939129 |
| 22 | 249306090098352089 |
[1,2,11,17,443,743,10159,17593,984467,1734443, 24591493,43793863,1252842991,2247613027, 32350749719,58349238473,6750044324867, 12224356333619,177406570353769,322314014477851, 9382052284364629,17089477261939129, 249306090098352089] |