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 | 12391 |
| 2 | 27191 |
| 3 | 56611 |
| 4 | 57791 |
| 5 | 92761 |
| 6 | 95929 |
| 7 | 99289 |
| 8 | 104281 |
| 9 | 112249 |
| 10 | 132049 |
| 11 | 140281 |
| 12 | 149689 |
| 13 | 157081 |
| 14 | 162649 |
| 15 | 163321 |
| 16 | 174241 |
| 17 | 187871 |
| 18 | 204601 |
| 19 | 206641 |
| 20 | 209563 |
| 21 | 215161 |
| 22 | 228841 |
| 23 | 244561 |
| 24 | 250741 |
| 25 | 275881 |
| 26 | 278881 |
| 27 | 291481 |
| 28 | 302299 |
| 29 | 309289 |
| 30 | 317831 |
| 31 | 333451 |