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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 11 |
| 3 | 26 |
| 4 | 261 |
| 5 | 276 |
| 6 | 826 |
| 7 | 881 |
| 8 | 1126 |
| 9 | 1276 |
| 10 | 2681 |
| 11 | 8881 |
| 12 | 78181 |
| 13 | 78881 |
| 14 | 82261 |
| 15 | 88776 |
| 16 | 161761 |
| 17 | 261126 |
| 18 | 277826 |
| 19 | 1128126 |
| 20 | 1271881 |
| 21 | 1618276 |
| 22 | 7866881 |
| 23 | 8226276 |
| 24 | 8287811 |
| 25 | 8878126 |
| 26 | 11281276 |
| 27 | 12722681 |
| 28 | 26781761 |
| 29 | 27717826 |
| 30 | 78221881 |
| 31 | 78222681 |
| 32 | 78878881 |
| 33 | 161767681 |
| 34 | 161777261 |
| 35 | 166182811 |
| 36 | 167812776 |
| 37 | 261278181 |
| 38 | 266678126 |
| 39 | 266876126 |
| 40 | 268116881 |
[1,11,26,261,276,826,881,1126,1276,2681,8881, 78181,78881,82261,88776,161761,261126,277826, 1128126,1271881,1618276,7866881,8226276,8287811, 8878126,11281276,12722681,26781761,27717826, 78221881,78222681,78878881,161767681,161777261, 166182811,167812776,261278181,266678126,266876126, 268116881] |