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| n | a(n) |
|---|---|
| 1 | 130 |
| 2 | 689 |
| 3 | 3698 |
| 4 | 20684 |
| 5 | 114633 |
| 6 | 641743 |
| 7 | 3588249 |
| 8 | 20085335 |
| 9 | 112408781 |
| 10 | 629194966 |
| 11 | 3521712900 |
| 12 | 19712026328 |
| 13 | 110333621076 |
| 14 | 617565943941 |
| 15 | 3456685796582 |
| 16 | 19347999859815 |
| 17 | 108295958012823 |
| 18 | 606161699592248 |
| 19 | 3392850404764771 |
[130,689,3698,20684,114633,641743,3588249, 20085335,112408781,629194966,3521712900, 19712026328,110333621076,617565943941, 3456685796582,19347999859815,108295958012823, 606161699592248,3392850404764771] |