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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 7 |
| 2 | 34 |
| 3 | 133 |
| 4 | 997 |
| 5 | 7999 |
| 6 | 13333 |
| 7 | 85714 |
| 8 | 749986 |
| 9 | 1111111 |
| 10 | 79999999 |
| 11 | 79090909 |
| 12 | 499999999 |
| 13 | 2923076923 |
| 14 | 14285642857 |
| 15 | 133333333333 |
| 16 | 499999999993 |
| 17 | 2352941117647 |
| 18 | 11111111111111 |
| 19 | 47368421052631 |
| 20 | 3499999999999999 |
| 21 | 2380947619047619 |
| 22 | 25909090909090909 |
| 23 | 43478260869565213 |
[0,7,34,133,997,7999,13333,85714,749986,1111111, 79999999,79090909,499999999,2923076923, 14285642857,133333333333,499999999993, 2352941117647,11111111111111,47368421052631, 3499999999999999,2380947619047619, 25909090909090909,43478260869565213] |