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 | 9 |
| 4 | 12 |
| 5 | 18 |
| 6 | 24 |
| 7 | 80 |
| 8 | 108 |
| 9 | 160 |
| 10 | 216 |
| 11 | 625 |
| 12 | 720 |
| 13 | 960 |
| 14 | 1250 |
| 15 | 1440 |
| 16 | 1792 |
| 17 | 1920 |
| 18 | 2025 |
| 19 | 3584 |
| 20 | 4050 |
| 21 | 5625 |
| 22 | 7500 |
| 23 | 8640 |
| 24 | 11250 |
| 25 | 15000 |
| 26 | 16128 |
| 27 | 17280 |
| 28 | 18225 |
| 29 | 21504 |
| 30 | 24300 |
| 31 | 32256 |
| 32 | 36450 |
| 33 | 43008 |
| 34 | 48600 |
| 35 | 50000 |
| 36 | 67500 |
| 37 | 100000 |
| 38 | 135000 |
| 39 | 143360 |
| 40 | 162000 |
| 41 | 193536 |
| 42 | 218700 |
| 43 | 286720 |
| 44 | 321489 |
| 45 | 324000 |
| 46 | 387072 |
| 47 | 437400 |
| 48 | 450000 |
| 49 | 600000 |