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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 107 |
| 3 | 2634011 |
| 4 | 29659499 |
| 5 | 57395627 |
| 6 | 104792291 |
| 7 | 271669247 |
| 8 | 485149499 |
| 9 | 568946591 |
| 10 | 588791807 |
| 11 | 752530067 |
| 12 | 863999999 |
| 13 | 2032678367 |
| 14 | 2772616499 |
| 15 | 2945257307 |
| 16 | 3505869971 |
| 17 | 4473547487 |
| 18 | 4670303507 |
| 19 | 5470523999 |
| 20 | 6911999999 |
| 21 | 7498065347 |
| 22 | 8646803027 |
| 23 | 8828622431 |
| 24 | 8951240447 |
[3,107,2634011,29659499,57395627,104792291, 271669247,485149499,568946591,588791807,752530067, 863999999,2032678367,2772616499,2945257307, 3505869971,4473547487,4670303507,5470523999, 6911999999,7498065347,8646803027,8828622431, 8951240447] |