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 | 1 |
| 2 | 0 |
| 3 | -3 |
| 4 | -4 |
| 5 | -10 |
| 6 | -6 |
| 7 | -14 |
| 8 | -16 |
| 9 | -18 |
| 10 | -10 |
| 11 | -22 |
| 12 | -24 |
| 13 | -39 |
| 14 | -28 |
| 15 | -15 |
| 16 | -16 |
| 17 | -34 |
| 18 | -36 |
| 19 | -57 |
| 20 | -60 |
| 21 | -42 |
| 22 | -22 |
| 23 | -46 |
| 24 | -48 |
| 25 | -50 |
| 26 | -26 |
| 27 | -27 |
| 28 | -28 |
| 29 | -58 |
| 30 | -90 |
| 31 | -124 |
| 32 | -128 |
| 33 | -99 |
| 34 | -68 |
| 35 | -35 |
| 36 | -36 |
| 37 | -74 |
| 38 | -38 |
| 39 | 0 |
| 40 | 0 |
| 41 | -41 |
| 42 | -84 |
| 43 | -129 |
| 44 | -132 |