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 | 187 |
| 2 | 1073 |
| 3 | 8989 |
| 4 | 35657 |
| 5 | 61423 |
| 6 | 151979 |
| 7 | 1632923 |
| 8 | 2495959 |
| 9 | 8345537 |
| 10 | 9658823 |
| 11 | 18687173 |
| 12 | 49194347 |
| 13 | 64880909 |
| 14 | 77244217 |
| 15 | 179502923 |
| 16 | 250046873 |
| 17 | 451259573 |
| 18 | 502874849 |
| 19 | 588444323 |
| 20 | 651263839 |
| 21 | 830296829 |
| 22 | 1723401587 |
| 23 | 1935548789 |
| 24 | 4552183739 |
| 25 | 4839132407 |
| 26 | 8739047573 |
| 27 | 13324055659 |