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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 83 |
| 3 | 2498 |
| 4 | 9960 |
| 5 | 55527888 |
| 6 | 999984 |
| 7 | 9999923 |
| 8 | 4440400499909009 |
| 9 | 444040040777070070 |
| 10 | 9999999941 |
| 11 | 1111100001099999000090 |
| 12 | 111111000001777777000007 |
| 13 | 66666600000605555550000050 |
| 14 | 7777777770770733333333303303 |
| 15 | 999999999099090333333333033030111111111011010 |
[0,83,2498,9960,55527888,999984,9999923, 4440400499909009,444040040777070070,9999999941, 1111100001099999000090,111111000001777777000007, 66666600000605555550000050, 7777777770770733333333303303, 999999999099090333333333033030111111111011010] |