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) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 8 |
| 5 | 3 |
| 6 | 1 |
| 7 | 33 |
| 8 | 71 |
| 9 | 15 |
| 10 | 1 |
| 11 | 112 |
| 12 | 718 |
| 13 | 744 |
| 14 | 105 |
| 15 | 1 |
| 16 | 353 |
| 17 | 5270 |
| 18 | 14542 |
| 19 | 9129 |
| 20 | 945 |
| 21 | 1 |
| 22 | 1080 |
| 23 | 33057 |
| 24 | 191384 |
| 25 | 300291 |
| 26 | 129072 |
| 27 | 10395 |
| 28 | 1 |
| 29 | 3265 |
| 30 | 190125 |
| 31 | 2033885 |
| 32 | 6338915 |
| 33 | 6524739 |
| 34 | 2071215 |
| 35 | 135135 |
| 36 | 1 |
| 37 | 9824 |
| 38 | 1038780 |
| 39 | 18990320 |
| 40 | 103829590 |
| 41 | 204889344 |
| 42 | 150895836 |
| 43 | 37237680 |
| 44 | 2027025 |