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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 17 |
| 3 | 1333 |
| 4 | 266305 |
| 5 | 101010101 |
| 6 | 62350352785 |
| 7 | 56984650387477 |
| 8 | 72340172838076673 |
| 9 | 121815504877079063701 |
| 10 | 262801002506265664160401 |
| 11 | 706890015246831381773595701 |
| 12 | 2319540481478754999041880822337 |
| 13 | 9120177155862455275254332279111413 |
[0,1,17,1333,266305,101010101,62350352785, 56984650387477,72340172838076673, 121815504877079063701,262801002506265664160401, 706890015246831381773595701, 2319540481478754999041880822337, 9120177155862455275254332279111413] |