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 | 3 |
| 3 | 1 |
| 4 | 21 |
| 5 | 3 |
| 6 | 1 |
| 7 | 231 |
| 8 | 30 |
| 9 | 3 |
| 10 | 1 |
| 11 | 3465 |
| 12 | 294 |
| 13 | 30 |
| 14 | 3 |
| 15 | 1 |
| 16 | 65835 |
| 17 | 4599 |
| 18 | 321 |
| 19 | 30 |
| 20 | 3 |
| 21 | 1 |
| 22 | 1514205 |
| 23 | 81081 |
| 24 | 4788 |
| 25 | 321 |
| 26 | 30 |
| 27 | 3 |
| 28 | 1 |
| 29 | 40883535 |
| 30 | 1837836 |
| 31 | 84483 |
| 32 | 4869 |
| 33 | 321 |
| 34 | 30 |
| 35 | 3 |
| 36 | 1 |
| 37 | 1267389585 |
| 38 | 47609100 |
| 39 | 1892835 |
| 40 | 85050 |
| 41 | 4869 |
| 42 | 321 |
| 43 | 30 |
| 44 | 3 |
| 45 | 1 |
| 46 | 44358635475 |
| 47 | 1449052605 |
| 48 | 48681864 |