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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 41 |
| 3 | 141 |
| 4 | 5141 |
| 5 | 95141 |
| 6 | 295141 |
| 7 | 6295141 |
| 8 | 56295141 |
| 9 | 356295141 |
| 10 | 5356295141 |
| 11 | 85356295141 |
| 12 | 985356295141 |
| 13 | 7985356295141 |
| 14 | 97985356295141 |
| 15 | 397985356295141 |
| 16 | 2397985356295141 |
| 17 | 32397985356295141 |
| 18 | 832397985356295141 |
| 19 | 4832397985356295141 |
| 20 | 64832397985356295141 |
| 21 | 264832397985356295141 |
[1,41,141,5141,95141,295141,6295141,56295141, 356295141,5356295141,85356295141,985356295141, 7985356295141,97985356295141,397985356295141, 2397985356295141,32397985356295141, 832397985356295141,4832397985356295141, 64832397985356295141,264832397985356295141] |