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 | 137 |
| 2 | 2087 |
| 3 | 2687 |
| 4 | 16067 |
| 5 | 24107 |
| 6 | 29207 |
| 7 | 154787 |
| 8 | 155537 |
| 9 | 223007 |
| 10 | 331907 |
| 11 | 427877 |
| 12 | 662897 |
| 13 | 708137 |
| 14 | 769997 |
| 15 | 802127 |
| 16 | 849047 |
| 17 | 869597 |
| 18 | 891887 |
| 19 | 1031117 |
| 20 | 1068497 |
| 21 | 1261487 |
| 22 | 1336337 |
| 23 | 1712567 |
| 24 | 1794677 |
| 25 | 1807997 |
| 26 | 1838297 |
| 27 | 1990577 |
| 28 | 2189987 |