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 | 4 |
| 2 | -2 |
| 3 | -24 |
| 4 | -11 |
| 5 | 44 |
| 6 | 22 |
| 7 | -8 |
| 8 | 50 |
| 9 | -44 |
| 10 | -96 |
| 11 | 56 |
| 12 | -121 |
| 13 | -152 |
| 14 | 198 |
| 15 | 160 |
| 16 | 176 |
| 17 | 48 |
| 18 | -162 |
| 19 | 88 |
| 20 | -198 |
| 21 | -52 |
| 22 | 22 |
| 23 | -528 |
| 24 | 233 |
| 25 | 200 |
| 26 | -242 |
| 27 | -88 |
| 28 | -176 |
| 29 | 668 |
| 30 | 550 |
| 31 | 264 |
| 32 | -44 |
| 33 | -188 |
| 34 | 224 |
| 35 | -728 |
| 36 | 154 |
| 37 | -484 |
| 38 | -1056 |
| 39 | 656 |
| 40 | -311 |
| 41 | -236 |
| 42 | -100 |
| 43 | 792 |
| 44 | 714 |
| 45 | -528 |
| 46 | 640 |
| 47 | 88 |
| 48 | -478 |
| 49 | -484 |
| 50 | 1566 |
| 51 | 968 |
| 52 | 192 |
| 53 | 780 |
| 54 | -1994 |
| 55 | -648 |
| 56 | -942 |