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 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 3 |
| 8 | 1 |
| 9 | 1 |
| 10 | 15 |
| 11 | 1 |
| 12 | 1 |
| 13 | 1 |
| 14 | 5 |
| 15 | 105 |
| 16 | 1 |
| 17 | 1155 |
| 18 | 1 |
| 19 | 1 |
| 20 | 1 |
| 21 | 35 |
| 22 | 15015 |
| 23 | 1 |
| 24 | 1 |
| 25 | 255255 |
| 26 | 385 |
| 27 | 1 |
| 28 | 5 |
| 29 | 1 |
| 30 | 4849845 |
| 31 | 1 |
| 32 | 5005 |
| 33 | 1 |
| 34 | 7 |
| 35 | 85085 |
| 36 | 111546435 |
| 37 | 1 |
| 38 | 1 |
| 39 | 3234846615 |
| 40 | 77 |
| 41 | 35 |
| 42 | 1 |
| 43 | 1616615 |
| 44 | 3 |
| 45 | 1 |
| 46 | 1 |
| 47 | 100280245065 |
| 48 | 1 |
| 49 | 385 |
| 50 | 1 |
| 51 | 3710369067405 |
| 52 | 1 |
| 53 | 1001 |