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 | 144 |
| 2 | 180 |
| 3 | 1260 |
| 4 | 1440 |
| 5 | 2520 |
| 6 | 5040 |
| 7 | 5544 |
| 8 | 7200 |
| 9 | 14040 |
| 10 | 15120 |
| 11 | 25200 |
| 12 | 31680 |
| 13 | 33660 |
| 14 | 37800 |
| 15 | 46800 |
| 16 | 59400 |
| 17 | 62244 |
| 18 | 65520 |
| 19 | 70560 |
| 20 | 83160 |
| 21 | 107100 |
| 22 | 110880 |
| 23 | 115920 |
| 24 | 166320 |
| 25 | 169344 |
| 26 | 176400 |
| 27 | 180180 |
| 28 | 183600 |
| 29 | 190944 |
| 30 | 221760 |
| 31 | 277200 |
| 32 | 287280 |
| 33 | 297540 |