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| n | a(n) |
|---|---|
| 1 | 11 |
| 2 | 383 |
| 3 | 878 |
| 4 | 878 |
| 5 | 1815181 |
| 6 | 3195913 |
| 7 | 115797511 |
| 8 | 180525081 |
| 9 | 430010034 |
| 10 | 43438983434 |
| 11 | 1149177719411 |
| 12 | 4121706071214 |
| 13 | 121109272901121 |
| 14 | 179236404632971 |
| 15 | 759247717742957 |
| 16 | 6470297557920746 |
| 17 | 6470297557920746 |
| 18 | 1916390863680936191 |
[11,383,878,878,1815181,3195913,115797511, 180525081,430010034,43438983434,1149177719411, 4121706071214,121109272901121,179236404632971, 759247717742957,6470297557920746,6470297557920746, 1916390863680936191] |