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) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 13 |
| 3 | 113 |
| 4 | 149 |
| 5 | 1013 |
| 6 | 1039 |
| 7 | 1247 |
| 8 | 1123 |
| 9 | 1349 |
| 10 | 1579 |
| 11 | 1237 |
| 12 | 10127 |
| 13 | 10238 |
| 14 | 10139 |
| 15 | 10235 |
| 16 | 10234 |
| 17 | 10457 |
| 18 | 11579 |
| 19 | 10789 |
| 20 | 10237 |
| 21 | 11239 |
| 22 | 12457 |
| 23 | 10279 |
| 24 | 12349 |
| 25 | 12347 |
| 26 | 13678 |
| 27 | 12359 |
| 28 | 14579 |
| 29 | 13489 |
| 30 | 10379 |
| 31 | 12367 |
| 32 | 12389 |
| 33 | 23579 |
| 34 | 13579 |
| 35 | 100349 |
| 36 | 12379 |