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 | 1320 |
| 2 | 3696 |
| 3 | 5520 |
| 4 | 13800 |
| 5 | 19872 |
| 6 | 22560 |
| 7 | 23688 |
| 8 | 87000 |
| 9 | 89964 |
| 10 | 366720 |
| 11 | 785808 |
| 12 | 1235052 |
| 13 | 1470720 |
| 14 | 8690112 |
| 15 | 45986616 |
| 16 | 46862592 |
| 17 | 78584640 |
| 18 | 142588224 |
| 19 | 231718968 |
| 20 | 235668528 |
| 21 | 377425920 |
| 22 | 1598249952 |
| 23 | 9518204448 |
| 24 | 12026499072 |
| 25 | 40964894160 |
| 26 | 65368504980 |