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 | 2030 |
| 2 | 10203 |
| 3 | 12110 |
| 4 | 20210 |
| 5 | 20310 |
| 6 | 21004 |
| 7 | 21010 |
| 8 | 24000 |
| 9 | 24010 |
| 10 | 31010 |
| 11 | 41001 |
| 12 | 50010 |
| 13 | 70000 |
| 14 | 100004 |
| 15 | 100012 |
| 16 | 100210 |
| 17 | 100310 |
| 18 | 100320 |
| 19 | 101020 |
| 20 | 101041 |
| 21 | 102022 |
| 22 | 103200 |
| 23 | 104010 |
| 24 | 104101 |
| 25 | 104110 |
| 26 | 105020 |
| 27 | 106001 |
| 28 | 110020 |
| 29 | 110202 |
| 30 | 110212 |
| 31 | 110400 |
| 32 | 111013 |