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| n | a(n) |
|---|---|
| 1 | 549 |
| 2 | 8678 |
| 3 | 125917 |
| 4 | 1660676 |
| 5 | 20719004 |
| 6 | 246491295 |
| 7 | 2840913933 |
| 8 | 31961677744 |
| 9 | 353604367053 |
| 10 | 3864978556436 |
| 11 | 41891682636375 |
| 12 | 451399864543279 |
| 13 | 4844588916295676 |
| 14 | 51852752086001215 |
| 15 | 553984358739359500 |
[549,8678,125917,1660676,20719004,246491295, 2840913933,31961677744,353604367053,3864978556436, 41891682636375,451399864543279,4844588916295676, 51852752086001215,553984358739359500] |