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 | 0 |
| 1 | 1 |
| 2 | -2 |
| 3 | 5 |
| 4 | -292 |
| 5 | -241 |
| 6 | 14 |
| 7 | -437861 |
| 8 | -28 |
| 9 | -1 |
| 10 | 30 |
| 11 | 313 |
| 12 | -4472 |
| 13 | -4223 |
| 14 | -2 |
| 15 | 55 |
| 16 | 3252 |
| 17 | -214246256269 |
| 18 | -70 |
| 19 | -27 |
| 20 | 5260887648 |
| 21 | 91 |
| 22 | -538 |
| 23 | -193 |
| 24 | -132 |
| 25 | -864538549823 |
| 26 | -22 |
| 27 | 27 |
| 28 | 140 |
| 29 | 40053 |
| 30 | 53088613819206 |
| 31 | 86166834699 |
| 32 | 86167898716 |
| 33 | 86168962733 |
| 34 | 86170026754 |
| 35 | 49 |
| 36 | 204 |