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 | 2 |
| 1 | -1 |
| 2 | 1 |
| 3 | -1 |
| 4 | -8 |
| 5 | -1 |
| 6 | 1 |
| 7 | 4 |
| 8 | -4 |
| 9 | -1 |
| 10 | -1 |
| 11 | 4 |
| 12 | 8 |
| 13 | 4 |
| 14 | -1 |
| 15 | -1 |
| 16 | -8 |
| 17 | -4 |
| 18 | 4 |
| 19 | 8 |
| 20 | 1 |
| 21 | 7 |
| 22 | -4 |
| 23 | -116 |
| 24 | -32 |
| 25 | -116 |
| 26 | -4 |
| 27 | 7 |
| 28 | 5 |
| 29 | 32 |
| 30 | 28 |
| 31 | 16 |
| 32 | -16 |
| 33 | -28 |
| 34 | -32 |
| 35 | -5 |
| 36 | -2663 |
| 37 | -388 |
| 38 | 2524 |
| 39 | 5072 |
| 40 | 6112 |
| 41 | 5072 |
| 42 | 2524 |
| 43 | -388 |
| 44 | -2663 |
| 45 | -691 |
| 46 | -10264 |
| 47 | -10652 |
| 48 | -8128 |
| 49 | -3056 |
| 50 | 3056 |
| 51 | 8128 |
| 52 | 10652 |
| 53 | 10264 |
| 54 | 691 |