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 | 31 |
| 2 | 619 |
| 3 | 2791 |
| 4 | 4801 |
| 5 | 15331 |
| 6 | 33829 |
| 7 | 40129 |
| 8 | 63421 |
| 9 | 69151 |
| 10 | 98731 |
| 11 | 127291 |
| 12 | 142789 |
| 13 | 143569 |
| 14 | 149971 |
| 15 | 151849 |
| 16 | 176599 |
| 17 | 184969 |
| 18 | 201829 |
| 19 | 210601 |
| 20 | 225289 |
| 21 | 231841 |
| 22 | 243589 |
| 23 | 250951 |
| 24 | 271279 |
| 25 | 273271 |
| 26 | 277549 |
| 27 | 280591 |
| 28 | 392269 |
| 29 | 405439 |
| 30 | 441799 |
| 31 | 472711 |
| 32 | 510709 |
| 33 | 530599 |
| 34 | 568441 |
| 35 | 578689 |