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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 89 |
| 3 | 979 |
| 4 | 338277 |
| 5 | 99947 |
| 6 | 999915 |
| 7 | 2000008900000 |
| 8 | 88080808440404042202020211010101 |
| 9 | 110101010550505050 |
| 10 | 99090909005505050500 |
| 11 | 5555505000588888080008 |
| 12 | 666660600060777770700070 |
| 13 | 9999999999929 |
| 14 | 99999999999913 |
| 15 | 444444404004040999999909009090 |
[0,89,979,338277,99947,999915,2000008900000, 88080808440404042202020211010101, 110101010550505050,99090909005505050500, 5555505000588888080008,666660600060777770700070, 9999999999929,99999999999913, 444444404004040999999909009090] |