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 | 0 |
| 2 | 1 |
| 3 | -1728 |
| 4 | 1 |
| 5 | 3375 |
| 6 | 1 |
| 7 | -8000 |
| 8 | 1 |
| 9 | 32768 |
| 10 | 1 |
| 11 | -54000 |
| 12 | 1 |
| 13 | -121287375 |
| 14 | 191025 |
| 15 | 1 |
| 16 | -287496 |
| 17 | 1 |
| 18 | 884736 |
| 19 | 1 |
| 20 | -681472000 |
| 21 | -1264000 |
| 22 | 1 |
| 23 | 12771880859375 |
| 24 | -5151296875 |
| 25 | 3491750 |
| 26 | 1 |
| 27 | 14670139392 |
| 28 | -4834944 |
| 29 | 1 |
| 30 | 12288000 |
| 31 | 1 |
| 32 | -16581375 |
| 33 | 1 |
| 34 | 1566028350940383 |
| 35 | -58682638134 |