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 | 8 |
| 6 | 1 |
| 7 | 16 |
| 8 | 20 |
| 9 | 1 |
| 10 | 136 |
| 11 | 40 |
| 12 | 1 |
| 13 | 272 |
| 14 | 616 |
| 15 | 70 |
| 16 | 1 |
| 17 | 3968 |
| 18 | 2016 |
| 19 | 112 |
| 20 | 1 |
| 21 | 7936 |
| 22 | 28160 |
| 23 | 5376 |
| 24 | 168 |
| 25 | 1 |
| 26 | 176896 |
| 27 | 135680 |
| 28 | 12432 |
| 29 | 240 |
| 30 | 1 |
| 31 | 353792 |
| 32 | 1805056 |
| 33 | 508640 |
| 34 | 25872 |
| 35 | 330 |
| 36 | 1 |
| 37 | 11184128 |
| 38 | 11977856 |
| 39 | 1595264 |
| 40 | 49632 |
| 41 | 440 |
| 42 | 1 |
| 43 | 22368256 |
| 44 | 154918400 |
| 45 | 59835776 |