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 | 5 |
| 1 | 6 |
| 2 | 17 |
| 3 | 23 |
| 4 | 247 |
| 5 | 270 |
| 6 | 787 |
| 7 | 1057 |
| 8 | 11357 |
| 9 | 12414 |
| 10 | 36185 |
| 11 | 48599 |
| 12 | 522175 |
| 13 | 570774 |
| 14 | 1663723 |
| 15 | 2234497 |
| 16 | 24008693 |
| 17 | 26243190 |
| 18 | 76495073 |
| 19 | 102738263 |
| 20 | 1103877703 |
| 21 | 1206615966 |
| 22 | 3517109635 |
| 23 | 4723725601 |
| 24 | 50754365645 |