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 | 2 |
| 1 | 13 |
| 2 | 113 |
| 3 | 149 |
| 4 | 1013 |
| 5 | 1039 |
| 6 | 1427 |
| 7 | 1123 |
| 8 | 1439 |
| 9 | 1579 |
| 10 | 1237 |
| 11 | 10271 |
| 12 | 10453 |
| 13 | 10139 |
| 14 | 10253 |
| 15 | 10243 |
| 16 | 10457 |
| 17 | 11579 |
| 18 | 10789 |
| 19 | 10273 |
| 20 | 11239 |
| 21 | 12457 |
| 22 | 10729 |
| 23 | 13249 |
| 24 | 12347 |
| 25 | 13687 |
| 26 | 12539 |
| 27 | 14759 |
| 28 | 13799 |
| 29 | 10739 |
| 30 | 12637 |
| 31 | 12893 |
| 32 | 23957 |
| 33 | 13597 |
| 34 | 100493 |
| 35 | 12379 |
| 36 | 14593 |
| 37 | 101383 |
| 38 | 13789 |