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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 11 |
| 3 | 22 |
| 4 | 33 |
| 5 | 44 |
| 6 | 55 |
| 7 | 66 |
| 8 | 77 |
| 9 | 88 |
| 10 | 99 |
| 11 | 111 |
| 12 | 199 |
| 13 | 446 |
| 14 | 464 |
| 15 | 555 |
| 16 | 644 |
| 17 | 666 |
| 18 | 919 |
| 19 | 991 |
| 20 | 1111 |
| 21 | 1199 |
| 22 | 1919 |
| 23 | 1991 |
| 24 | 2228 |
| 25 | 2282 |
| 26 | 2822 |
| 27 | 2888 |
| 28 | 3337 |
| 29 | 3373 |
| 30 | 3733 |
| 31 | 3777 |
| 32 | 4444 |
| 33 | 4466 |
| 34 | 4646 |
| 35 | 4664 |
| 36 | 5555 |
| 37 | 6446 |
| 38 | 6464 |
| 39 | 6644 |
| 40 | 6666 |
| 41 | 7333 |
| 42 | 7377 |
| 43 | 7737 |
| 44 | 7773 |
| 45 | 8222 |
| 46 | 8288 |
| 47 | 8828 |
| 48 | 8882 |
[1,11,22,33,44,55,66,77,88,99,111,199,446,464,555, 644,666,919,991,1111,1199,1919,1991,2228,2282, 2822,2888,3337,3373,3733,3777,4444,4466,4646,4664, 5555,6446,6464,6644,6666,7333,7377,7737,7773,8222, 8288,8828,8882] |