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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 7 |
| 3 | 59 |
| 4 | 47 |
| 5 | 1699 |
| 6 | 22697 |
| 7 | 1180247 |
| 8 | 29962733 |
| 9 | 1038006719 |
| 10 | 411043979 |
| 11 | 295951664941 |
| 12 | 439109442193 |
| 13 | 84309012901073 |
| 14 | 1566310690709 |
| 15 | 399766531626388768981 |
| 16 | 71604415998366709 |
| 17 | 180443128315884106709 |
[2,7,59,47,1699,22697,1180247,29962733,1038006719, 411043979,295951664941,439109442193, 84309012901073,1566310690709, 399766531626388768981,71604415998366709, 180443128315884106709] |