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) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 18 |
| 3 | 48 |
| 4 | 144 |
| 5 | 288 |
| 6 | 504 |
| 7 | 1248 |
| 8 | 1008 |
| 9 | 2016 |
| 10 | 3024 |
| 11 | 4368 |
| 12 | 5544 |
| 13 | 14112 |
| 14 | 12096 |
| 15 | 17136 |
| 16 | 11088 |
| 17 | 34272 |
| 18 | 22176 |
| 19 | 26208 |
| 20 | 33264 |
| 21 | 52416 |
| 22 | 48048 |
| 23 | 91728 |
| 24 | 66528 |
| 25 | 117936 |
| 26 | 155232 |
| 27 | 183456 |
| 28 | 133056 |
| 29 | 235872 |
| 30 | 188496 |
| 31 | 222768 |
| 32 | 144144 |
| 33 | 528528 |
| 34 | 376992 |
| 35 | 616896 |
| 36 | 421344 |
| 37 | 825552 |
| 38 | 288288 |
| 39 | 1707552 |
| 40 | 432432 |