| n | a(n) |
|---|---|
| 1 | 55 |
| 2 | 444 |
| 3 | 4411445566 |
| 4 | 1122777666688 |
| 5 | 4466224466600 |
| 6 | 44488668881177 |
| 7 | 660000556677333 |
| 8 | 9995566666633377799 |
| 9 | 11155533666655666655 |
| 10 | 441155662211122335599 |
| 11 | 1144115588776688333355 |
| 12 | 4488667700668887770033 |
[55,444,4411445566,1122777666688,4466224466600, 44488668881177,660000556677333, 9995566666633377799,11155533666655666655, 441155662211122335599,1144115588776688333355, 4488667700668887770033] |