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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 587 |
| 3 | 986 |
| 4 | 5452494 |
| 5 | 114848836366 |
| 6 | 33300788800922200 |
| 7 | 99997228888355 |
| 8 | 666000665550005599900099 |
| 9 | 555555552333333337 |
| 10 | 5555050050111101001066660600607777070070 |
| 11 | 11111111011222222220224444444404488888888088 |
| 12 | 999999990990666666660660444444440440 |
[0,587,986,5452494,114848836366,33300788800922200, 99997228888355,666000665550005599900099, 555555552333333337, 5555050050111101001066660600607777070070, 11111111011222222220224444444404488888888088, 999999990990666666660660444444440440] |