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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 173 |
| 5 | 193 |
| 6 | 391 |
| 7 | 3298 |
| 8 | 19750 |
| 9 | 46327 |
| 10 | 316829 |
| 11 | 393923 |
| 12 | 3613513 |
| 13 | 5727571 |
| 14 | 15140393 |
| 15 | 26528704 |
| 16 | 661899193 |
[1,2,3,173,193,391,3298,19750,46327,316829,393923, 3613513,5727571,15140393,26528704,661899193] |