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 | -4656 |
| 2 | 1440 |
| 3 | 2912 |
| 4 | 2832 |
| 5 | -10464 |
| 6 | -768 |
| 7 | -17376 |
| 8 | 20384 |
| 9 | -72976 |
| 10 | -18944 |
| 11 | 12672 |
| 12 | 41184 |
| 13 | -199776 |
| 14 | 28944 |
| 15 | -21104 |
| 16 | 3552 |
| 17 | 25488 |
| 18 | 338448 |
| 19 | -60192 |
| 20 | 39952 |
| 21 | -21792 |
| 22 | -161904 |
| 23 | 499488 |
| 24 | -83424 |
| 25 | -7440 |
| 26 | 7440 |
| 27 | -54288 |
| 28 | -75456 |
| 29 | 1641792 |
| 30 | 42288 |