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 | 8 |
| 2 | 16 |
| 3 | -32 |
| 4 | -144 |
| 5 | -16 |
| 6 | 448 |
| 7 | 192 |
| 8 | -912 |
| 9 | -88 |
| 10 | 2016 |
| 11 | -352 |
| 12 | -4032 |
| 13 | 176 |
| 14 | 5504 |
| 15 | 64 |
| 16 | -7056 |
| 17 | 400 |
| 18 | 12112 |
| 19 | 352 |
| 20 | -18144 |
| 21 | -768 |
| 22 | 21312 |
| 23 | -448 |
| 24 | -25536 |
| 25 | -968 |
| 26 | 35168 |
| 27 | 1216 |
| 28 | -49536 |
| 29 | 1584 |
| 30 | 56448 |
| 31 | -1280 |
| 32 | -56208 |
| 33 | 1408 |
| 34 | 78624 |
| 35 | -384 |
| 36 | -109008 |
| 37 | -1296 |
| 38 | 109760 |
| 39 | -704 |
| 40 | -114912 |
| 41 | -1584 |