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 | 1 |
| 2 | 4 |
| 3 | 15 |
| 4 | 16 |
| 5 | 255 |
| 6 | 375 |
| 7 | 495 |
| 8 | 795 |
| 9 | 1469 |
| 10 | 3825 |
| 11 | 9375 |
| 12 | 28125 |
| 13 | 66375 |
| 14 | 67875 |
| 15 | 234375 |
| 16 | 249487 |
| 17 | 286875 |
| 18 | 309375 |
| 19 | 337185 |
| 20 | 450615 |
| 21 | 590625 |
| 22 | 628125 |
| 23 | 1369125 |
| 24 | 2390625 |
| 25 | 2773125 |
| 26 | 2781387 |
| 27 | 3069375 |
| 28 | 3706785 |
| 29 | 4965309 |
| 30 | 5859375 |
| 31 | 12890625 |
| 32 | 13539375 |
| 33 | 26803125 |
| 34 | 39607575 |
| 35 | 62578125 |