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 | 83 |
| 2 | 373 |
| 3 | 2393 |
| 4 | 4723 |
| 5 | 56383 |
| 6 | 122701 |
| 7 | 1789391 |
| 8 | 1987849 |
| 9 | 2706679 |
| 10 | 7287991 |
| 11 | 27833021 |
| 12 | 41765519 |
| 13 | 43570537 |
| 14 | 55600477 |
| 15 | 62283451 |
| 16 | 67053359 |
| 17 | 104720809 |
| 18 | 122353547 |
| 19 | 204330311 |
| 20 | 347756707 |
| 21 | 450504547 |
| 22 | 540649093 |
| 23 | 677774533 |
| 24 | 715849843 |
| 25 | 839886301 |