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 | 2 |
| 3 | 5 |
| 4 | 6 |
| 5 | 8 |
| 6 | 6 |
| 7 | 10 |
| 8 | 112 |
| 9 | 104 |
| 10 | 80 |
| 11 | 40 |
| 12 | 36 |
| 13 | 2172 |
| 14 | 1414 |
| 15 | 984 |
| 16 | 384 |
| 17 | 240 |
| 18 | 70396 |
| 19 | 39400 |
| 20 | 22468 |
| 21 | 3696 |
| 22 | 1152 |
| 23 | 4457616 |
| 24 | 2246138 |
| 25 | 1060976 |
| 26 | 185932 |