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 | 1 |
| 3 | 2 |
| 4 | 1 |
| 5 | 6 |
| 6 | 3 |
| 7 | 1 |
| 8 | 22 |
| 9 | 15 |
| 10 | 4 |
| 11 | 1 |
| 12 | 90 |
| 13 | 93 |
| 14 | 28 |
| 15 | 5 |
| 16 | 1 |
| 17 | 394 |
| 18 | 645 |
| 19 | 244 |
| 20 | 45 |
| 21 | 6 |
| 22 | 1 |
| 23 | 1806 |
| 24 | 4791 |
| 25 | 2380 |
| 26 | 505 |
| 27 | 66 |
| 28 | 7 |
| 29 | 1 |
| 30 | 8558 |
| 31 | 37275 |
| 32 | 24868 |
| 33 | 6345 |
| 34 | 906 |
| 35 | 91 |
| 36 | 8 |
| 37 | 1 |
| 38 | 41586 |
| 39 | 299865 |
| 40 | 272188 |
| 41 | 85405 |
| 42 | 13926 |
| 43 | 1477 |
| 44 | 120 |
| 45 | 9 |
| 46 | 1 |
| 47 | 206098 |
| 48 | 2474025 |
| 49 | 3080596 |
| 50 | 1204245 |
| 51 | 229326 |
| 52 | 26845 |