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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 256 |
| 2 | 27556 |
| 3 | 2775556 |
| 4 | 277755556 |
| 5 | 27777555556 |
| 6 | 2777775555556 |
| 7 | 277777755555556 |
| 8 | 27777777555555556 |
| 9 | 2777777775555555556 |
| 10 | 277777777755555555556 |
| 11 | 27777777777555555555556 |
| 12 | 2777777777775555555555556 |
| 13 | 277777777777755555555555556 |
| 14 | 27777777777777555555555555556 |
[1,256,27556,2775556,277755556,27777555556, 2777775555556,277777755555556,27777777555555556, 2777777775555555556,277777777755555555556, 27777777777555555555556,2777777777775555555555556, 277777777777755555555555556, 27777777777777555555555555556] |