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 | -8 |
| 2 | 20 |
| 3 | 0 |
| 4 | -70 |
| 5 | 64 |
| 6 | 56 |
| 7 | 1 |
| 8 | -133 |
| 9 | -140 |
| 10 | 308 |
| 11 | -70 |
| 12 | 174 |
| 13 | 56 |
| 14 | -518 |
| 15 | -141 |
| 16 | -63 |
| 17 | 868 |
| 18 | -140 |
| 19 | 238 |
| 20 | 294 |
| 21 | -1029 |
| 22 | -1154 |
| 23 | -203 |
| 24 | 2366 |
| 25 | -658 |
| 26 | 1296 |
| 27 | 350 |
| 28 | -1547 |
| 29 | -1295 |
| 30 | -1666 |
| 31 | 3234 |
| 32 | -2128 |
| 33 | 2534 |
| 34 | 2464 |
| 35 | -2577 |
| 36 | -3087 |
| 37 | -609 |
| 38 | 5600 |
| 39 | -2716 |
| 40 | 2435 |
| 41 | 294 |
| 42 | -3745 |
| 43 | -4249 |
| 44 | -1015 |
| 45 | 8526 |