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 | 72 |
| 2 | 315 |
| 3 | 720 |
| 4 | 1287 |
| 5 | 2016 |
| 6 | 2907 |
| 7 | 3960 |
| 8 | 5175 |
| 9 | 6552 |
| 10 | 8091 |
| 11 | 9792 |
| 12 | 11655 |
| 13 | 13680 |
| 14 | 15867 |
| 15 | 18216 |
| 16 | 20727 |
| 17 | 23400 |
| 18 | 26235 |
| 19 | 29232 |
| 20 | 32391 |
| 21 | 35712 |
| 22 | 39195 |
| 23 | 42840 |
| 24 | 46647 |
| 25 | 50616 |
| 26 | 54747 |
| 27 | 59040 |
| 28 | 63495 |
| 29 | 68112 |
| 30 | 72891 |
| 31 | 77832 |
| 32 | 82935 |
| 33 | 88200 |
| 34 | 93627 |
| 35 | 99216 |
| 36 | 104967 |
| 37 | 110880 |
| 38 | 116955 |
| 39 | 123192 |