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 | 126 |
| 2 | 1260 |
| 3 | 22302 |
| 4 | 40446 |
| 5 | 49308 |
| 6 | 64530 |
| 7 | 73962 |
| 8 | 168730 |
| 9 | 223020 |
| 10 | 286500 |
| 11 | 242730 |
| 12 | 429750 |
| 13 | 365700 |
| 14 | 548550 |
| 15 | 618570 |
| 16 | 827700 |
| 17 | 739620 |
| 18 | 827652 |
| 19 | 932100 |
| 20 | 1241550 |
| 21 | 1099390 |
| 22 | 1291050 |
| 23 | 1292570 |
| 24 | 1241478 |
| 25 | 1398150 |
| 26 | 1621500 |
| 27 | 1669150 |
| 28 | 1598470 |
| 29 | 1654212 |