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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 5 |
| 3 | 25 |
| 4 | 41 |
| 5 | 494 |
| 6 | 2909 |
| 7 | 62904 |
| 8 | 525967 |
| 9 | 8468941 |
| 10 | 71260394 |
| 11 | 850301770 |
| 12 | 6589670154 |
| 13 | 62160939006 |
| 14 | 434482926964 |
| 15 | 3416830587073 |
| 16 | 21593530137906 |
| 17 | 146883022822593 |
| 18 | 846348872934578 |
| 19 | 5108443008090443 |
| 20 | 27076148532186899 |
| 21 | 147708619212786406 |
[5,5,25,41,494,2909,62904,525967,8468941,71260394, 850301770,6589670154,62160939006,434482926964, 3416830587073,21593530137906,146883022822593, 846348872934578,5108443008090443, 27076148532186899,147708619212786406] |