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 | 67 |
| 2 | 104743 |
| 3 | 8609 |
| 4 | 281 |
| 5 | 521 |
| 6 | 1163 |
| 7 | 1436471 |
| 8 | 12391 |
| 9 | 136343 |
| 10 | 1483 |
| 11 | 23663 |
| 12 | 727 |
| 13 | 10453 |
| 14 | 2029 |
| 15 | 135481883 |
| 16 | 7429021 |
| 17 | 2059324621 |
| 18 | 6864415403 |
| 19 | 3716857 |
| 20 | 9629 |
| 21 | 451358821 |
| 22 | 51782483 |
| 23 | 62504399 |
| 24 | 439322585771 |
| 25 | 63337 |
| 26 | 128110399 |
| 27 | 42209 |
| 28 | 59569669 |
| 29 | 111486983 |
| 30 | 10936129 |
| 31 | 31585821557 |