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 | 631 |
| 2 | 883 |
| 3 | 1171 |
| 4 | 2251 |
| 5 | 2683 |
| 6 | 8191 |
| 7 | 9811 |
| 8 | 12511 |
| 9 | 20071 |
| 10 | 25183 |
| 11 | 30871 |
| 12 | 33931 |
| 13 | 38791 |
| 14 | 40483 |
| 15 | 57331 |
| 16 | 61471 |
| 17 | 70183 |
| 18 | 81883 |
| 19 | 94483 |
| 20 | 105211 |
| 21 | 125371 |
| 22 | 150571 |
| 23 | 157231 |
| 24 | 167491 |
| 25 | 188983 |
| 26 | 292483 |
| 27 | 315883 |
| 28 | 340183 |
| 29 | 360271 |
| 30 | 423991 |
| 31 | 440731 |
| 32 | 469351 |
| 33 | 481051 |
| 34 | 510931 |