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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 526 |
| 3 | 75468 |
| 4 | 5070208060 |
| 5 | 70070200208008060060 |
| 6 | 88886288886 |
| 7 | 666666088888802222220 |
| 8 | 555555006666660022222200 |
| 9 | 999999000444444000 |
| 10 | 555555000022222200006666660000 |
| 11 | 77777770070222222200208888888008066666660060 |
| 12 | 88888888886288888888886 |
[0,526,75468,5070208060,70070200208008060060, 88886288886,666666088888802222220, 555555006666660022222200,999999000444444000, 555555000022222200006666660000, 77777770070222222200208888888008066666660060, 88888888886288888888886] |