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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 80968886 |
| 3 | 809688860 |
| 4 | 8096888600 |
| 5 | 8099805866 |
| 6 | 80968886000 |
| 7 | 80998058660 |
| 8 | 809688860000 |
| 9 | 809869680866 |
| 10 | 809980586600 |
| 11 | 8096888600000 |
| 12 | 8098696808660 |
| 13 | 8099805866000 |
| 14 | 80968886000000 |
| 15 | 80986968086600 |
| 16 | 80998058660000 |
| 17 | 809688860000000 |
| 18 | 809869680866000 |
| 19 | 809980586600000 |
[0,80968886,809688860,8096888600,8099805866, 80968886000,80998058660,809688860000,809869680866, 809980586600,8096888600000,8098696808660, 8099805866000,80968886000000,80986968086600, 80998058660000,809688860000000,809869680866000, 809980586600000] |