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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 86 |
| 3 | 8602 |
| 4 | 9976 |
| 5 | 99932 |
| 6 | 999922 |
| 7 | 1110002666000 |
| 8 | 3303303088088080 |
| 9 | 999999916 |
| 10 | 44444404406666660660 |
| 11 | 999999099006666660660044444404400 |
| 12 | 999999999936 |
| 13 | 77777770007008888888000800 |
| 14 | 5555555000500088888880008000 |
| 15 | 999999999999984 |
| 16 | 77777777770000702222222222000020 |
[0,86,8602,9976,99932,999922,1110002666000, 3303303088088080,999999916,44444404406666660660, 999999099006666660660044444404400,999999999936, 77777770007008888888000800, 5555555000500088888880008000,999999999999984, 77777777770000702222222222000020] |