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 | 3 |
| 2 | 5 |
| 3 | 131 |
| 4 | 383 |
| 5 | 797 |
| 6 | 11411 |
| 7 | 16061 |
| 8 | 16361 |
| 9 | 19391 |
| 10 | 33533 |
| 11 | 36263 |
| 12 | 73037 |
| 13 | 75557 |
| 14 | 79397 |
| 15 | 1074701 |
| 16 | 1126211 |
| 17 | 1145411 |
| 18 | 1175711 |
| 19 | 1221221 |
| 20 | 1243421 |
| 21 | 1287821 |
| 22 | 1303031 |
| 23 | 1311131 |
| 24 | 1328231 |
| 25 | 1363631 |
| 26 | 1489841 |
| 27 | 1579751 |
| 28 | 1600061 |
| 29 | 1707071 |
| 30 | 1748471 |