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 | 1 |
| 2 | 493 |
| 3 | 495 |
| 4 | 497 |
| 5 | 499 |
| 6 | 1085 |
| 7 | 1087 |
| 8 | 1685 |
| 9 | 1687 |
| 10 | 2283 |
| 11 | 2285 |
| 12 | 2287 |
| 13 | 2873 |
| 14 | 2875 |
| 15 | 3471 |
| 16 | 3473 |
| 17 | 4673 |
| 18 | 4675 |
| 19 | 5271 |
| 20 | 5273 |
| 21 | 5871 |
| 22 | 5873 |
| 23 | 6469 |
| 24 | 6471 |
| 25 | 7069 |
| 26 | 7071 |
| 27 | 7669 |
| 28 | 7671 |
| 29 | 8267 |
| 30 | 8269 |
| 31 | 8271 |
| 32 | 8273 |
| 33 | 8859 |
| 34 | 8861 |
| 35 | 9457 |
| 36 | 9459 |