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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 11 |
| 5 | 26 |
| 6 | 111 |
| 7 | 1111 |
| 8 | 11111 |
| 9 | 105462 |
| 10 | 111111 |
| 11 | 460688 |
| 12 | 753576 |
| 13 | 1111111 |
| 14 | 2806538 |
| 15 | 3513626 |
| 16 | 5858612 |
| 17 | 11111111 |
| 18 | 23335688 |
| 19 | 111111111 |
| 20 | 674874474 |
| 21 | 8226042716 |
| 22 | 2131535935501 |
| 23 | 81655720279388 |
[1,2,3,11,26,111,1111,11111,105462,111111,460688, 753576,1111111,2806538,3513626,5858612,11111111, 23335688,111111111,674874474,8226042716, 2131535935501,81655720279388] |