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 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 5 |
| 4 | 8 |
| 5 | -1 |
| 6 | 9 |
| 7 | 19 |
| 8 | -5 |
| 9 | 1 |
| 10 | 251 |
| 11 | 646 |
| 12 | -264 |
| 13 | 106 |
| 14 | -19 |
| 15 | 475 |
| 16 | 1427 |
| 17 | -798 |
| 18 | 482 |
| 19 | -173 |
| 20 | 27 |
| 21 | 19087 |
| 22 | 65112 |
| 23 | -46461 |
| 24 | 37504 |
| 25 | -20211 |
| 26 | 6312 |
| 27 | -863 |
| 28 | 36799 |
| 29 | 139849 |
| 30 | -121797 |
| 31 | 123133 |
| 32 | -88547 |
| 33 | 41499 |
| 34 | -11351 |
| 35 | 1375 |