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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 45 |
| 3 | 290 |
| 4 | 2079 |
| 5 | 29411 |
| 6 | 236326 |
| 7 | 2158662 |
| 8 | 27002794 |
| 9 | 250400003 |
| 10 | 2506366395 |
| 11 | 27764556264 |
| 12 | 275534182736 |
| 13 | 2826711225139 |
| 14 | 29909224594535 |
| 15 | 304574137026271 |
| 16 | 3144849018260079 |
| 17 | 32756776290370113 |
| 18 | 336779681669267253 |
[5,45,290,2079,29411,236326,2158662,27002794, 250400003,2506366395,27764556264,275534182736, 2826711225139,29909224594535,304574137026271, 3144849018260079,32756776290370113, 336779681669267253] |