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) |
|---|---|
| 3 | 1 |
| 4 | 1 |
| 5 | 3 |
| 6 | 1 |
| 7 | 10 |
| 8 | 9 |
| 9 | 1 |
| 10 | 25 |
| 11 | 67 |
| 12 | 27 |
| 13 | 1 |
| 14 | 56 |
| 15 | 326 |
| 16 | 376 |
| 17 | 81 |
| 18 | 1 |
| 19 | 119 |
| 20 | 1314 |
| 21 | 3134 |
| 22 | 1909 |
| 23 | 243 |
| 24 | 1 |
| 25 | 246 |
| 26 | 4775 |
| 27 | 20420 |
| 28 | 25215 |
| 29 | 9094 |
| 30 | 729 |
| 31 | 1 |
| 32 | 501 |
| 33 | 16293 |
| 34 | 115105 |
| 35 | 248595 |
| 36 | 180639 |
| 37 | 41479 |
| 38 | 2187 |
| 39 | 1 |
| 40 | 1012 |
| 41 | 53388 |
| 42 | 590764 |
| 43 | 2048710 |
| 44 | 2575404 |
| 45 | 1193548 |
| 46 | 183412 |
| 47 | 6561 |