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 | 4 |
| 4 | 6 |
| 5 | 2 |
| 6 | 6 |
| 7 | 64 |
| 8 | 112 |
| 9 | 68 |
| 10 | 80 |
| 11 | 32 |
| 12 | 36 |
| 13 | 28 |
| 14 | 1414 |
| 15 | 576 |
| 16 | 384 |
| 17 | 40 |
| 18 | 70396 |
| 19 | 40896 |
| 20 | 22468 |
| 21 | 9808 |
| 22 | 1152 |
| 23 | 252 |
| 24 | 2246138 |
| 25 | 482272 |
| 26 | 185932 |