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 | 0 |
| 2 | 4 |
| 3 | 6 |
| 4 | 12 |
| 5 | 24 |
| 6 | 36 |
| 7 | 40 |
| 8 | 54 |
| 9 | 60 |
| 10 | 84 |
| 11 | 96 |
| 12 | 120 |
| 13 | 144 |
| 14 | 168 |
| 15 | 180 |
| 16 | 264 |
| 17 | 360 |
| 18 | 420 |
| 19 | 504 |
| 20 | 600 |
| 21 | 840 |
| 22 | 1176 |
| 23 | 1320 |
| 24 | 1440 |
| 25 | 1680 |
| 26 | 2280 |
| 27 | 2520 |
| 28 | 3024 |
| 29 | 3120 |
| 30 | 3960 |
| 31 | 6120 |
| 32 | 6300 |
| 33 | 7560 |
| 34 | 7800 |
| 35 | 8160 |
| 36 | 11760 |
| 37 | 14040 |
| 38 | 19320 |
| 39 | 21600 |
| 40 | 27720 |
| 41 | 30240 |
| 42 | 38760 |
| 43 | 52920 |
| 44 | 55440 |
| 45 | 65520 |
| 46 | 83160 |
| 47 | 85680 |