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| n | a(n) |
|---|---|
| 1 | 111 |
| 2 | 222 |
| 3 | 333 |
| 4 | 444 |
| 5 | 555 |
| 6 | 666 |
| 7 | 777 |
| 8 | 888 |
| 9 | 999 |
| 10 | 101010 |
| 11 | 111111 |
| 12 | 121212 |
| 13 | 131313 |
| 14 | 141414 |
| 15 | 151515 |
| 16 | 161616 |
| 17 | 171717 |
| 18 | 181818 |
| 19 | 191919 |
| 20 | 202020 |
| 21 | 212121 |
| 22 | 222222 |
| 23 | 232323 |
| 24 | 242424 |
| 25 | 252525 |
| 26 | 262626 |
| 27 | 272727 |
| 28 | 282828 |
| 29 | 292929 |
| 30 | 303030 |
| 31 | 313131 |
| 32 | 323232 |
| 33 | 333333 |
[111,222,333,444,555,666,777,888,999,101010, 111111,121212,131313,141414,151515,161616,171717, 181818,191919,202020,212121,222222,232323,242424, 252525,262626,272727,282828,292929,303030,313131, 323232,333333] |