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 | 2 |
| 2 | 13 |
| 3 | 37 |
| 4 | 107 |
| 5 | 113 |
| 6 | 137 |
| 7 | 1013 |
| 8 | 1237 |
| 9 | 1367 |
| 10 | 10079 |
| 11 | 10139 |
| 12 | 12379 |
| 13 | 13679 |
| 14 | 100279 |
| 15 | 100379 |
| 16 | 123479 |
| 17 | 1001237 |
| 18 | 1002347 |
| 19 | 1003679 |
| 20 | 1012379 |