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 | 399 |
| 2 | 5719 |
| 3 | 20705 |
| 4 | 80189 |
| 5 | 120581 |
| 6 | 162687 |
| 7 | 482143 |
| 8 | 663679 |
| 9 | 1162349 |
| 10 | 7274249 |
| 11 | 8734109 |
| 12 | 9486399 |
| 13 | 10260809 |
| 14 | 10397407 |
| 15 | 14658349 |
| 16 | 14970499 |
| 17 | 25603599 |
| 18 | 29010079 |
| 19 | 32869759 |
| 20 | 49412285 |
| 21 | 77801359 |
| 22 | 90393029 |
| 23 | 95972799 |
| 24 | 99467679 |
| 25 | 105818129 |
| 26 | 110066669 |
| 27 | 125532329 |
| 28 | 126325399 |