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 | 281 |
| 2 | 311 |
| 3 | 495511 |
| 4 | 495557 |
| 5 | 496187 |
| 6 | 496229 |
| 7 | 496259 |
| 8 | 496303 |
| 9 | 496333 |
| 10 | 496343 |
| 11 | 496399 |
| 12 | 496439 |
| 13 | 496459 |
| 14 | 496499 |
| 15 | 496549 |
| 16 | 496583 |
| 17 | 496631 |
| 18 | 496763 |
| 19 | 497153 |
| 20 | 497177 |
| 21 | 497239 |
| 22 | 497261 |
| 23 | 497279 |
| 24 | 497291 |
| 25 | 497297 |
| 26 | 497303 |
| 27 | 497411 |
| 28 | 497417 |
| 29 | 497449 |
| 30 | 497461 |
| 31 | 497479 |
| 32 | 498073 |
| 33 | 498119 |
| 34 | 498181 |
| 35 | 498227 |
| 36 | 498259 |
| 37 | 498331 |
| 38 | 498361 |
| 39 | 498391 |
| 40 | 498409 |
| 41 | 498803 |
| 42 | 498881 |
| 43 | 507607 |