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 | 213 |
| 2 | 143097 |
| 3 | 194757 |
| 4 | 206133 |
| 5 | 273417 |
| 6 | 684897 |
| 7 | 807657 |
| 8 | 1373937 |
| 9 | 1391757 |
| 10 | 1516533 |
| 11 | 1591593 |
| 12 | 1610997 |
| 13 | 1774797 |
| 14 | 1882977 |
| 15 | 1891761 |
| 16 | 2046453 |
| 17 | 2051493 |
| 18 | 2163417 |
| 19 | 2163957 |
| 20 | 2338053 |
| 21 | 2359977 |
| 22 | 2522517 |
| 23 | 2913837 |
| 24 | 3108201 |
| 25 | 4221753 |