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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 30 |
| 3 | 64 |
| 4 | 42753 |
| 5 | 57241 |
| 6 | 75423 |
| 7 | 425072 |
| 8 | 574922 |
| 9 | 979528 |
| 10 | 4301393 |
| 11 | 5698601 |
| 12 | 7028666 |
| 13 | 4925000747 |
| 14 | 5074999247 |
| 15 | 7748266574 |
| 16 | 8511881484 |
| 17 | 8814851184 |
| 18 | 7059602159672 |
| 19 | 7106167933828 |
| 20 | 7439286611621 |
| 21 | 7485852385777 |
[7,30,64,42753,57241,75423,425072,574922,979528, 4301393,5698601,7028666,4925000747,5074999247, 7748266574,8511881484,8814851184,7059602159672, 7106167933828,7439286611621,7485852385777] |