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 | 29 |
| 2 | 239 |
| 3 | 449 |
| 4 | 659 |
| 5 | 1289 |
| 6 | 1499 |
| 7 | 1709 |
| 8 | 2129 |
| 9 | 2339 |
| 10 | 2549 |
| 11 | 2969 |
| 12 | 3389 |
| 13 | 4019 |
| 14 | 4229 |
| 15 | 4649 |
| 16 | 5279 |
| 17 | 6329 |
| 18 | 6959 |
| 19 | 7589 |
| 20 | 8009 |
| 21 | 8219 |
| 22 | 8429 |
| 23 | 8849 |
| 24 | 9059 |
| 25 | 9479 |
| 26 | 9689 |
| 27 | 10529 |
| 28 | 10739 |
| 29 | 10949 |
| 30 | 11159 |
| 31 | 11369 |
| 32 | 11579 |
| 33 | 11789 |
| 34 | 13049 |
| 35 | 13259 |
| 36 | 13469 |
| 37 | 13679 |
| 38 | 14519 |
| 39 | 14939 |