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 | 3 |
| 2 | 15 |
| 3 | 24 |
| 4 | 48 |
| 5 | 72 |
| 6 | 120 |
| 7 | 168 |
| 8 | 264 |
| 9 | 552 |
| 10 | 696 |
| 11 | 744 |
| 12 | 888 |
| 13 | 984 |
| 14 | 1032 |
| 15 | 1128 |
| 16 | 1272 |
| 17 | 1416 |
| 18 | 1464 |
| 19 | 1608 |
| 20 | 1704 |
| 21 | 1752 |
| 22 | 1896 |
| 23 | 1992 |
| 24 | 2136 |
| 25 | 2328 |