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 | 3 |
| 4 | 4 |
| 5 | 9 |
| 6 | 12 |
| 7 | 13 |
| 8 | 17 |
| 9 | 20 |
| 10 | 32 |
| 11 | 34 |
| 12 | 39 |
| 13 | 51 |
| 14 | 54 |
| 15 | 102 |
| 16 | 126 |
| 17 | 144 |
| 18 | 163 |
| 19 | 247 |
| 20 | 258 |
| 21 | 306 |
| 22 | 326 |
| 23 | 489 |
| 24 | 563 |
| 25 | 613 |
| 26 | 657 |
| 27 | 1112 |
| 28 | 1123 |
| 29 | 1334 |
| 30 | 1409 |
| 31 | 1913 |
| 32 | 2494 |
| 33 | 2518 |
| 34 | 2703 |
| 35 | 3548 |
| 36 | 3672 |
| 37 | 3798 |
| 38 | 4481 |
| 39 | 5905 |
| 40 | 6014 |
| 41 | 6186 |
| 42 | 6581 |
| 43 | 6759 |
| 44 | 8543 |
| 45 | 8893 |
| 46 | 9453 |
| 47 | 11892 |
| 48 | 12708 |
| 49 | 15346 |
| 50 | 17183 |