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 | 4224 |
| 2 | 6336 |
| 3 | 21312 |
| 4 | 23232 |
| 5 | 27072 |
| 6 | 213312 |
| 7 | 276672 |
| 8 | 618816 |
| 9 | 2133312 |
| 10 | 2177712 |
| 11 | 2198912 |
| 12 | 2308032 |
| 13 | 2513152 |
| 14 | 2536352 |
| 15 | 2545452 |
| 16 | 2551552 |
| 17 | 2553552 |
| 18 | 2572752 |
| 19 | 2597952 |
| 20 | 2725272 |
| 21 | 2745472 |
| 22 | 2747472 |
| 23 | 2774772 |
| 24 | 2970792 |
| 25 | 2994992 |
| 26 | 4099904 |