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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 8 |
| 6 | 16 |
| 7 | 226 |
| 8 | 241 |
| 9 | 904 |
| 10 | 1808 |
| 11 | 3376 |
| 12 | 3616 |
| 13 | 13504 |
| 14 | 27008 |
| 15 | 50626 |
| 16 | 50851 |
| 17 | 54016 |
| 18 | 202504 |
| 19 | 405008 |
| 20 | 759376 |
| 21 | 762976 |
| 22 | 810016 |
| 23 | 3037504 |
| 24 | 6075008 |
| 25 | 11390626 |
| 26 | 11394001 |
| 27 | 11441476 |
| 28 | 12150016 |
| 29 | 12153391 |
| 30 | 45562504 |
| 31 | 91125008 |
| 32 | 170859376 |
| 33 | 170913376 |