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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 608 |
| 3 | 5763 |
| 4 | 86139 |
| 5 | 1898178 |
| 6 | 29067775 |
| 7 | 482228052 |
| 8 | 8786244680 |
| 9 | 148081034460 |
| 10 | 2527093956658 |
| 11 | 44081436520906 |
| 12 | 756410616073885 |
| 13 | 13001520369777372 |
| 14 | 224610561730578221 |
| 15 | 3867018822679814785 |
| 16 | 66587006212100036798 |
[13,608,5763,86139,1898178,29067775,482228052, 8786244680,148081034460,2527093956658, 44081436520906,756410616073885,13001520369777372, 224610561730578221,3867018822679814785, 66587006212100036798] |