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 | 3 |
| 2 | 15 |
| 3 | 3 |
| 4 | 315 |
| 5 | 27 |
| 6 | 27 |
| 7 | 2835 |
| 8 | 945 |
| 9 | 27 |
| 10 | 81 |
| 11 | 155925 |
| 12 | 2025 |
| 13 | 2025 |
| 14 | 135 |
| 15 | 27 |
| 16 | 6081075 |
| 17 | 779625 |
| 18 | 30375 |
| 19 | 405 |
| 20 | 243 |
| 21 | 243 |
| 22 | 638512875 |
| 23 | 212837625 |
| 24 | 654885 |
| 25 | 42525 |
| 26 | 8505 |
| 27 | 1215 |
| 28 | 729 |
| 29 | 10854718875 |
| 30 | 638512875 |
| 31 | 58046625 |
| 32 | 4465125 |
| 33 | 127575 |
| 34 | 3645 |
| 35 | 729 |
| 36 | 729 |