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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 88 |
| 3 | 3528 |
| 4 | 8800880 |
| 5 | 3300088000 |
| 6 | 88880088880 |
| 7 | 33330008888000 |
| 8 | 888888008888880 |
| 9 | 333333000888888000 |
| 10 | 8888888800888888880 |
| 11 | 3333333300088888888000 |
| 12 | 88888888880088888888880 |
| 13 | 33333333330008888888888000 |
| 14 | 888888888888008888888888880 |
| 15 | 333333333333000888888888888000 |
[0,88,3528,8800880,3300088000,88880088880, 33330008888000,888888008888880,333333000888888000, 8888888800888888880,3333333300088888888000, 88888888880088888888880, 33333333330008888888888000, 888888888888008888888888880, 333333333333000888888888888000] |