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 | 397 |
| 2 | 68219 |
| 3 | 87881 |
| 4 | 316531 |
| 5 | 430487 |
| 6 | 440653 |
| 7 | 639701 |
| 8 | 691813 |
| 9 | 732497 |
| 10 | 982981 |
| 11 | 1145773 |
| 12 | 1226683 |
| 13 | 1288337 |
| 14 | 1291223 |
| 15 | 1537751 |
| 16 | 1563943 |
| 17 | 1756663 |
| 18 | 1913803 |
| 19 | 2043397 |
| 20 | 2134589 |
| 21 | 2143391 |
| 22 | 2317097 |
| 23 | 2366789 |
| 24 | 2528833 |
| 25 | 3047311 |
| 26 | 3107597 |
| 27 | 3261523 |
| 28 | 3678869 |
| 29 | 3884389 |
| 30 | 4143397 |