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 | 8 |
| 6 | 10 |
| 7 | 12 |
| 8 | 18 |
| 9 | 25 |
| 10 | 50 |
| 11 | 54 |
| 12 | 63 |
| 13 | 98 |
| 14 | 100 |
| 15 | 104 |
| 16 | 108 |
| 17 | 117 |
| 18 | 126 |
| 19 | 135 |
| 20 | 242 |
| 21 | 338 |
| 22 | 343 |
| 23 | 392 |
| 24 | 578 |
| 25 | 722 |
| 26 | 735 |
| 27 | 784 |
| 28 | 1058 |
| 29 | 1089 |
| 30 | 1210 |
| 31 | 1444 |
| 32 | 1682 |
| 33 | 1922 |
| 34 | 2738 |
| 35 | 3174 |
| 36 | 3362 |
| 37 | 3698 |
| 38 | 4418 |
| 39 | 4563 |
| 40 | 4732 |
| 41 | 4901 |
| 42 | 5547 |
| 43 | 5618 |
| 44 | 6962 |
| 45 | 7442 |
| 46 | 7581 |
| 47 | 7942 |
| 48 | 8410 |
| 49 | 8978 |
| 50 | 10082 |
| 51 | 10658 |
| 52 | 12482 |
| 53 | 13778 |
| 54 | 15059 |
| 55 | 16428 |
| 56 | 17797 |
| 57 | 18818 |
| 58 | 20402 |
| 59 | 21218 |
| 60 | 22898 |
| 61 | 23762 |
| 62 | 25538 |
| 63 | 32258 |
| 64 | 34322 |