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 | 880 |
| 2 | -448 |
| 3 | -1472 |
| 4 | -240 |
| 5 | 2480 |
| 6 | -1352 |
| 7 | -4128 |
| 8 | -96 |
| 9 | 2736 |
| 10 | -2520 |
| 11 | 120 |
| 12 | 1080 |
| 13 | 4288 |
| 14 | 4880 |
| 15 | 4600 |
| 16 | 13368 |
| 17 | 7056 |
| 18 | 14560 |
| 19 | 2960 |
| 20 | 13320 |
| 21 | 0 |
| 22 | 24864 |
| 23 | -11096 |
| 24 | -24264 |
| 25 | 0 |
| 26 | -9168 |
| 27 | -2128 |
| 28 | -15792 |
| 29 | 0 |
| 30 | 18120 |
| 31 | -5248 |
| 32 | 6384 |
| 33 | -21840 |
| 34 | -38776 |
| 35 | -20480 |
| 36 | 20176 |
| 37 | -72896 |
| 38 | -69200 |
| 39 | 40080 |
| 40 | -37632 |