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 | 251 |
| 2 | 5381 |
| 3 | 6311 |
| 4 | 12641 |
| 5 | 13451 |
| 6 | 14741 |
| 7 | 15791 |
| 8 | 17471 |
| 9 | 23321 |
| 10 | 26171 |
| 11 | 56081 |
| 12 | 62201 |
| 13 | 75521 |
| 14 | 78791 |
| 15 | 82781 |
| 16 | 84431 |
| 17 | 89381 |
| 18 | 94421 |
| 19 | 95261 |
| 20 | 104711 |
| 21 | 115751 |
| 22 | 120551 |
| 23 | 121001 |
| 24 | 154061 |
| 25 | 162251 |
| 26 | 163841 |
| 27 | 179801 |
| 28 | 185051 |
| 29 | 187361 |
| 30 | 191021 |
| 31 | 206021 |
| 32 | 214451 |
| 33 | 222311 |
| 34 | 226631 |
| 35 | 243521 |