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| n | a(n) |
|---|---|
| 1 | 17 |
| 2 | 19 |
| 3 | 73 |
| 4 | 115 |
| 5 | 4819 |
| 6 | 16099 |
| 7 | 61555 |
| 8 | 1457663 |
| 9 | 3735185 |
| 10 | 17904629 |
| 11 | 21111517 |
| 12 | 29931557 |
| 13 | 222264329 |
[17,19,73,115,4819,16099,61555,1457663,3735185, 17904629,21111517,29931557,222264329] |