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 | 24 |
| 2 | 360 |
| 3 | 2520 |
| 4 | 7560 |
| 5 | 10080 |
| 6 | 15120 |
| 7 | 50400 |
| 8 | 60480 |
| 9 | 83160 |
| 10 | 110880 |
| 11 | 166320 |
| 12 | 352800 |
| 13 | 967680 |
| 14 | 332640 |
| 15 | 3870720 |
| 16 | 554400 |
| 17 | 665280 |
| 18 | 2822400 |
| 19 | 1081080 |
| 20 | 61931520 |
| 21 | 1441440 |
| 22 | 247726080 |
| 23 | 2162160 |
| 24 | 3880800 |
| 25 | 10644480 |
| 26 | 3963617280 |
| 27 | 4324320 |
| 28 | 42577920 |
| 29 | 7207200 |