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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 10 |
| 3 | 95 |
| 4 | 900 |
| 5 | 8525 |
| 6 | 80750 |
| 7 | 764875 |
| 8 | 7245000 |
| 9 | 68625625 |
| 10 | 650031250 |
| 11 | 6157184375 |
| 12 | 58321687500 |
| 13 | 552430953125 |
| 14 | 5232701093750 |
| 15 | 49564856171875 |
| 16 | 469485056250000 |
| 17 | 4447026281640625 |
| 18 | 42122837535156250 |
| 19 | 398993243943359375 |
| 20 | 3779318251757812500 |
| 21 | 35798216297861328125 |
[0,1,10,95,900,8525,80750,764875,7245000,68625625, 650031250,6157184375,58321687500,552430953125, 5232701093750,49564856171875,469485056250000, 4447026281640625,42122837535156250, 398993243943359375,3779318251757812500, 35798216297861328125] |