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 | 9 |
| 2 | 20 |
| 3 | 42 |
| 4 | 66 |
| 5 | 78 |
| 6 | 102 |
| 7 | 114 |
| 8 | 230 |
| 9 | 232 |
| 10 | 248 |
| 11 | 370 |
| 12 | 246 |
| 13 | 258 |
| 14 | 470 |
| 15 | 636 |
| 16 | 472 |
| 17 | 488 |
| 18 | 670 |
| 19 | 426 |
| 20 | 584 |
| 21 | 790 |
| 22 | 830 |
| 23 | 1246 |
| 24 | 1164 |
| 25 | 606 |
| 26 | 618 |
| 27 | 642 |
| 28 | 654 |
| 29 | 2034 |
| 30 | 2286 |
| 31 | 1310 |
| 32 | 1096 |
| 33 | 1668 |
| 34 | 1788 |
| 35 | 1208 |
| 36 | 1884 |
| 37 | 1630 |
| 38 | 1670 |
| 39 | 2076 |
| 40 | 1432 |
| 41 | 2172 |
| 42 | 2292 |
| 43 | 1158 |
| 44 | 1182 |
| 45 | 2786 |
| 46 | 5064 |
| 47 | 3568 |
| 48 | 1362 |