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 | 12 |
| 2 | 90 |
| 3 | 675 |
| 4 | 37125 |
| 5 | 32625 |
| 6 | 86625 |
| 7 | 76125 |
| 8 | 202125 |
| 9 | 177625 |
| 10 | 471625 |
| 11 | 557375 |
| 12 | 104125 |
| 13 | 95550 |
| 14 | 17850 |
| 15 | 16380 |
| 16 | 3060 |
| 17 | 2808 |
| 18 | 2376 |
| 19 | 2088 |
| 20 | 5544 |
| 21 | 4872 |
| 22 | 12936 |
| 23 | 11368 |
| 24 | 30184 |
| 25 | 35672 |
| 26 | 6664 |
| 27 | 392 |
| 28 | 2940 |
| 29 | 22050 |
| 30 | 165375 |
| 31 | 23625 |
| 32 | 3375 |
| 33 | 185625 |
| 34 | 163125 |
| 35 | 433125 |
| 36 | 380625 |
| 37 | 1010625 |
| 38 | 888125 |
| 39 | 2358125 |
| 40 | 2786875 |