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 | 60 |
| 2 | 540 |
| 3 | 660 |
| 4 | 1200 |
| 5 | 1320 |
| 6 | 1620 |
| 7 | 2160 |
| 8 | 3060 |
| 9 | 5580 |
| 10 | 6120 |
| 11 | 6600 |
| 12 | 6720 |
| 13 | 8100 |
| 14 | 9180 |
| 15 | 9240 |
| 16 | 9600 |
| 17 | 9720 |
| 18 | 9900 |
| 19 | 11160 |
| 20 | 12240 |
| 21 | 12300 |
| 22 | 12600 |
| 23 | 13200 |
| 24 | 13440 |
| 25 | 13680 |
| 26 | 15120 |
| 27 | 15360 |
| 28 | 18300 |
| 29 | 18480 |
| 30 | 19440 |
| 31 | 19800 |
| 32 | 21000 |
| 33 | 22500 |
| 34 | 24480 |
| 35 | 24840 |
| 36 | 26880 |
| 37 | 27360 |
| 38 | 28920 |
| 39 | 29400 |
| 40 | 30240 |
| 41 | 30780 |