This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 111111 |
| 2 | 222222 |
| 3 | 333333 |
| 4 | 444444 |
| 5 | 555555 |
| 6 | 666666 |
| 7 | 777777 |
| 8 | 888888 |
| 9 | 999999 |
| 10 | 1111110 |
| 11 | 1222221 |
| 12 | 1333332 |
| 13 | 1444443 |
| 14 | 1555554 |
| 15 | 1666665 |
| 16 | 1777776 |
| 17 | 1888887 |
| 18 | 1999998 |
| 19 | 2111109 |
| 20 | 2222220 |
| 21 | 2333331 |
| 22 | 2444442 |
| 23 | 2555553 |
| 24 | 2666664 |
| 25 | 2777775 |
| 26 | 2888886 |
| 27 | 2999997 |
| 28 | 3111108 |
| 29 | 3222219 |
| 30 | 3333330 |
| 31 | 3444441 |
| 32 | 3555552 |