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 | -78 |
| 2 | 20 |
| 3 | -36 |
| 4 | 36 |
| 5 | -40 |
| 6 | -96 |
| 7 | 96 |
| 8 | -480 |
| 9 | -424 |
| 10 | 520 |
| 11 | 348 |
| 12 | 100 |
| 13 | -540 |
| 14 | 144 |
| 15 | -144 |
| 16 | -712 |
| 17 | 240 |
| 18 | 96 |
| 19 | 480 |
| 20 | -1120 |
| 21 | -468 |
| 22 | -1152 |
| 23 | -3384 |
| 24 | 1404 |
| 25 | -576 |
| 26 | -3924 |
| 27 | 7884 |
| 28 | -1548 |
| 29 | -7312 |
| 30 | 6288 |
| 31 | -1828 |
| 32 | -528 |
| 33 | -768 |
| 34 | 1920 |
| 35 | 720 |
| 36 | 768 |
| 37 | -1920 |
| 38 | 2400 |
| 39 | -944 |
| 40 | -9340 |
| 41 | 12588 |
| 42 | 15540 |
| 43 | -864 |
| 44 | 5600 |
| 45 | 4124 |
| 46 | -13668 |
| 47 | -1428 |
| 48 | 1552 |