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 | 1431 |
| 2 | 1731 |
| 3 | 1831 |
| 4 | 2432 |
| 5 | 2732 |
| 6 | 2832 |
| 7 | 3171 |
| 8 | 3181 |
| 9 | 3272 |
| 10 | 3282 |
| 11 | 11511 |
| 12 | 31531 |
| 13 | 31631 |
| 14 | 32532 |
| 15 | 32632 |
| 16 | 33151 |
| 17 | 33161 |
| 18 | 33252 |
| 19 | 33262 |
| 20 | 114311 |
| 21 | 117311 |
| 22 | 118311 |
| 23 | 124312 |
| 24 | 127312 |
| 25 | 128312 |
| 26 | 214321 |
| 27 | 217321 |
| 28 | 218321 |
| 29 | 224322 |
| 30 | 227322 |
| 31 | 228322 |