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 | 120 |
| 2 | 186 |
| 3 | 264 |
| 4 | 450 |
| 5 | 504 |
| 6 | 552 |
| 7 | 696 |
| 8 | 978 |
| 9 | 1208 |
| 10 | 1440 |
| 11 | 1444 |
| 12 | 1848 |
| 13 | 2034 |
| 14 | 2744 |
| 15 | 4320 |
| 16 | 4410 |
| 17 | 5376 |
| 18 | 6888 |
| 19 | 7020 |
| 20 | 9264 |
| 21 | 9968 |
| 22 | 10944 |
| 23 | 10989 |
| 24 | 13952 |
| 25 | 16080 |
| 26 | 19152 |
| 27 | 23160 |
| 28 | 29280 |
| 29 | 31410 |
| 30 | 34464 |
| 31 | 38928 |
| 32 | 39648 |
| 33 | 49544 |
| 34 | 56880 |
| 35 | 60480 |
| 36 | 67266 |
| 37 | 73200 |
| 38 | 78480 |
| 39 | 82800 |
| 40 | 91440 |
| 41 | 102312 |