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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 10 |
| 3 | 93 |
| 4 | 1020 |
| 5 | 13269 |
| 6 | 198990 |
| 7 | 3383145 |
| 8 | 64276920 |
| 9 | 1349846505 |
| 10 | 31046064210 |
| 11 | 776157686325 |
| 12 | 20956154152500 |
| 13 | 607730434609725 |
| 14 | 18839602224969750 |
| 15 | 621707822126431425 |
| 16 | 21759750056864358000 |
| 17 | 805111392478121276625 |
[1,10,93,1020,13269,198990,3383145,64276920, 1349846505,31046064210,776157686325, 20956154152500,607730434609725,18839602224969750, 621707822126431425,21759750056864358000, 805111392478121276625] |