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 | 5 |
| 1 | 4 |
| 2 | 6 |
| 3 | 4 |
| 4 | 6 |
| 5 | 4 |
| 6 | 0 |
| 7 | -24 |
| 8 | -82 |
| 9 | -212 |
| 10 | -454 |
| 11 | -876 |
| 12 | -1548 |
| 13 | -2544 |
| 14 | -3858 |
| 15 | -5276 |
| 16 | -6050 |
| 17 | -4348 |
| 18 | 3744 |
| 19 | 25768 |
| 20 | 75206 |
| 21 | 174444 |
| 22 | 357858 |
| 23 | 673076 |
| 24 | 1175972 |
| 25 | 1909904 |
| 26 | 2851270 |
| 27 | 3789508 |
| 28 | 4089238 |
| 29 | 2255044 |
| 30 | -4809280 |
| 31 | -22969880 |
| 32 | -62544962 |
| 33 | -140412180 |
| 34 | -281990486 |
| 35 | -521513324 |
| 36 | -896946156 |
| 37 | -1432099056 |