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 | 3 |
| 3 | 4 |
| 4 | 3 |
| 5 | 12 |
| 6 | 12 |
| 7 | 24 |
| 8 | 3 |
| 9 | 4 |
| 10 | 36 |
| 11 | 60 |
| 12 | 12 |
| 13 | 84 |
| 14 | 24 |
| 15 | 24 |
| 16 | 3 |
| 17 | 144 |
| 18 | 12 |
| 19 | 180 |
| 20 | 36 |
| 21 | 96 |
| 22 | 180 |
| 23 | 264 |
| 24 | 12 |
| 25 | 12 |
| 26 | 84 |
| 27 | 4 |
| 28 | 24 |
| 29 | 420 |
| 30 | 72 |
| 31 | 480 |
| 32 | 3 |
| 33 | 240 |
| 34 | 432 |
| 35 | 48 |
| 36 | 12 |
| 37 | 684 |
| 38 | 180 |
| 39 | 168 |
| 40 | 36 |
| 41 | 840 |
| 42 | 96 |
| 43 | 924 |
| 44 | 180 |
| 45 | 24 |
| 46 | 792 |
| 47 | 1104 |
| 48 | 12 |
| 49 | 24 |
| 50 | 36 |
| 51 | 288 |
| 52 | 84 |
| 53 | 1404 |
| 54 | 12 |
| 55 | 360 |
| 56 | 24 |
| 57 | 720 |
| 58 | 1260 |
| 59 | 1740 |
| 60 | 72 |
| 61 | 1860 |
| 62 | 480 |
| 63 | 96 |
| 64 | 3 |
| 65 | 336 |
| 66 | 720 |
| 67 | 2244 |
| 68 | 432 |
| 69 | 1056 |
| 70 | 144 |
| 71 | 2520 |
| 72 | 12 |