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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 34 |
| 3 | 691 |
| 4 | 1859138 |
| 5 | 7159051 |
| 6 | 56963745931 |
| 7 | 383384156611 |
| 8 | 1010491546156477058 |
| 9 | 2868364599282829033657 |
| 10 | 273765333712851131052871427 |
| 11 | 2122567668414730590074148073 |
| 12 | 94110177562207459848639528916696699 |
| 13 | 15606769817411508637595836373988121 |
| 14 | 5592915748426594283782949649676402543787 |
[2,34,691,1859138,7159051,56963745931, 383384156611,1010491546156477058, 2868364599282829033657, 273765333712851131052871427, 2122567668414730590074148073, 94110177562207459848639528916696699, 15606769817411508637595836373988121, 5592915748426594283782949649676402543787] |