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 | 108 |
| 2 | 540 |
| 3 | 1140 |
| 4 | 1890 |
| 5 | 3420 |
| 6 | 5460 |
| 7 | 7980 |
| 8 | 11760 |
| 9 | 16380 |
| 10 | 23520 |
| 11 | 23520 |
| 12 | 23760 |
| 13 | 38220 |
| 14 | 38220 |
| 15 | 41580 |
| 16 | 41580 |
| 17 | 41580 |
| 18 | 71820 |
| 19 | 71820 |
| 20 | 71820 |
| 21 | 83160 |
| 22 | 83160 |
| 23 | 83160 |
| 24 | 124740 |
| 25 | 124740 |
| 26 | 143640 |
| 27 | 166320 |
| 28 | 166320 |
| 29 | 249480 |
| 30 | 249480 |
| 31 | 249480 |
| 32 | 249480 |
| 33 | 311220 |
| 34 | 335160 |
| 35 | 415800 |
| 36 | 415800 |
| 37 | 415800 |
| 38 | 415800 |
| 39 | 415800 |
| 40 | 415800 |