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| n | a(n) |
|---|---|
| 1 | 6734 |
| 2 | 67434 |
| 3 | 577734 |
| 4 | 667334 |
| 5 | 745356 |
| 6 | 6674334 |
| 7 | 6734744 |
| 8 | 6756734 |
| 9 | 7373376 |
| 10 | 7453574 |
| 11 | 7466434 |
| 12 | 7533576 |
| 13 | 66673334 |
| 14 | 67345644 |
| 15 | 67656734 |
| 16 | 74547734 |
| 17 | 74656376 |
| 18 | 75733576 |
| 19 | 666743334 |
| 20 | 667335356 |
| 21 | 746556344 |
| 22 | 5775434474 |
| 23 | 6666733334 |
| 24 | 6666733576 |
| 25 | 6676476434 |
| 26 | 7447533576 |
[6734,67434,577734,667334,745356,6674334,6734744, 6756734,7373376,7453574,7466434,7533576,66673334, 67345644,67656734,74547734,74656376,75733576, 666743334,667335356,746556344,5775434474, 6666733334,6666733576,6676476434,7447533576] |