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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 8 |
| 3 | 99 |
| 4 | 2999 |
| 5 | 200798 |
| 6 | 30584687 |
| 7 | 10496827403 |
| 8 | 8147000813446 |
| 9 | 14279081380626859 |
| 10 | 56548869471250924613 |
| 11 | 505895767712482884973116 |
| 12 | 10224865987802162338842130221 |
| 13 | 466867871514396686081152537710131 |
[1,8,99,2999,200798,30584687,10496827403, 8147000813446,14279081380626859, 56548869471250924613,505895767712482884973116, 10224865987802162338842130221, 466867871514396686081152537710131] |