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 | -17 |
| 2 | 102 |
| 3 | -153 |
| 4 | -901 |
| 5 | 3553 |
| 6 | 833 |
| 7 | -17255 |
| 8 | -7242 |
| 9 | 55726 |
| 10 | 179554 |
| 11 | -312834 |
| 12 | -871675 |
| 13 | 519911 |
| 14 | 2354755 |
| 15 | 5311378 |
| 16 | -5680414 |
| 17 | -24956018 |
| 18 | -20075691 |
| 19 | 28080107 |
| 20 | 211837476 |
| 21 | 126533397 |
| 22 | -349645681 |
| 23 | -974028090 |
| 24 | -1206400835 |