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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 127 |
| 3 | 14197 |
| 4 | 1527655 |
| 5 | 154708741 |
| 6 | 14581420567 |
| 7 | 1282928605477 |
| 8 | 106281575400295 |
| 9 | 8370106554738181 |
| 10 | 632240233746846007 |
| 11 | 46159332156459328357 |
| 12 | 3278558540783856976135 |
| 13 | 227767526682511220042821 |
| 14 | 15545657368091391819871447 |
| 15 | 1046175606578621216182684837 |
[1,127,14197,1527655,154708741,14581420567, 1282928605477,106281575400295,8370106554738181, 632240233746846007,46159332156459328357, 3278558540783856976135,227767526682511220042821, 15545657368091391819871447, 1046175606578621216182684837] |