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 | 0 |
| 3 | -24 |
| 4 | -32 |
| 5 | 108 |
| 6 | 275 |
| 7 | -176 |
| 8 | -1056 |
| 9 | 45 |
| 10 | 3157 |
| 11 | 1080 |
| 12 | -6541 |
| 13 | -836 |
| 14 | 16839 |
| 15 | 2072 |
| 16 | -33824 |
| 17 | 1188 |
| 18 | 67100 |
| 19 | 1672 |
| 20 | -95883 |
| 21 | 19162 |
| 22 | 161083 |
| 23 | -8208 |
| 24 | -224653 |
| 25 | 2707 |
| 26 | 371325 |
| 27 | 67500 |
| 28 | -520025 |
| 29 | -1188 |
| 30 | 870551 |
| 31 | 8512 |
| 32 | -1082400 |
| 33 | 148334 |
| 34 | 1419889 |
| 35 | 10428 |
| 36 | -1588228 |