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 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 12 |
| 6 | 14 |
| 7 | 18 |
| 8 | 24 |
| 9 | 28 |
| 10 | 34 |
| 11 | 36 |
| 12 | 42 |
| 13 | 66 |
| 14 | 72 |
| 15 | 82 |
| 16 | 84 |
| 17 | 102 |
| 18 | 126 |
| 19 | 168 |
| 20 | 204 |
| 21 | 238 |
| 22 | 246 |
| 23 | 252 |
| 24 | 294 |
| 25 | 336 |
| 26 | 378 |
| 27 | 462 |
| 28 | 492 |
| 29 | 504 |
| 30 | 574 |
| 31 | 588 |
| 32 | 672 |
| 33 | 714 |
| 34 | 882 |
| 35 | 966 |
| 36 | 1134 |
| 37 | 1176 |
| 38 | 1218 |
| 39 | 1344 |
| 40 | 1428 |
| 41 | 1722 |
| 42 | 2142 |
| 43 | 2226 |
| 44 | 2646 |
| 45 | 2688 |
| 46 | 2814 |
| 47 | 2856 |
| 48 | 3318 |
| 49 | 3444 |