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 | -16 |
| 3 | -81 |
| 4 | 0 |
| 5 | -625 |
| 6 | 1296 |
| 7 | -2401 |
| 8 | 0 |
| 9 | 0 |
| 10 | 10000 |
| 11 | -14641 |
| 12 | 0 |
| 13 | -28561 |
| 14 | 38416 |
| 15 | 50625 |
| 16 | 0 |
| 17 | -83521 |
| 18 | 0 |
| 19 | -130321 |
| 20 | 0 |
| 21 | 194481 |
| 22 | 234256 |
| 23 | -279841 |
| 24 | 0 |
| 25 | 0 |
| 26 | 456976 |
| 27 | 0 |
| 28 | 0 |
| 29 | -707281 |
| 30 | -810000 |
| 31 | -923521 |
| 32 | 0 |
| 33 | 1185921 |
| 34 | 1336336 |
| 35 | 1500625 |
| 36 | 0 |
| 37 | -1874161 |
| 38 | 2085136 |
| 39 | 2313441 |
| 40 | 0 |
| 41 | -2825761 |
| 42 | -3111696 |
| 43 | -3418801 |
| 44 | 0 |
| 45 | 0 |
| 46 | 4477456 |