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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 9 |
| 2 | 90 |
| 3 | 981 |
| 4 | 11511 |
| 5 | 144108 |
| 6 | 1911771 |
| 7 | 26730981 |
| 8 | 392209380 |
| 9 | 6016681467 |
| 10 | 96202473183 |
| 11 | 1599000785730 |
| 12 | 27563715220509 |
| 13 | 491777630207037 |
| 14 | 9064781481234546 |
| 15 | 172346601006842337 |
| 16 | 3375007346801025099 |
| 17 | 67983454804021156548 |
| 18 | 1406921223577401454239 |
| 19 | 29881379179971835132761 |
[1,9,90,981,11511,144108,1911771,26730981, 392209380,6016681467,96202473183,1599000785730, 27563715220509,491777630207037,9064781481234546, 172346601006842337,3375007346801025099, 67983454804021156548,1406921223577401454239, 29881379179971835132761] |