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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 9 |
| 2 | 90 |
| 3 | 945 |
| 4 | 9700 |
| 5 | 98475 |
| 6 | 992250 |
| 7 | 9961125 |
| 8 | 99805000 |
| 9 | 999024375 |
| 10 | 9995118750 |
| 11 | 99975590625 |
| 12 | 999877937500 |
| 13 | 9999389671875 |
| 14 | 99996948281250 |
| 15 | 999984741328125 |
| 16 | 9999923706250000 |
| 17 | 99999618530859375 |
| 18 | 999998092652343750 |
| 19 | 9999990463259765625 |
| 20 | 99999952316289062500 |
[1,9,90,945,9700,98475,992250,9961125,99805000, 999024375,9995118750,99975590625,999877937500, 9999389671875,99996948281250,999984741328125, 9999923706250000,99999618530859375, 999998092652343750,9999990463259765625, 99999952316289062500] |