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) |
|---|---|
| 3 | 126 |
| 4 | 8689 |
| 5 | 300930 |
| 6 | 5663483 |
| 7 | 69028169 |
| 8 | 613038531 |
| 9 | 4234224501 |
| 10 | 23275739871 |
| 11 | 98332765273 |
| 12 | 250304681662 |
| 13 | -554375755759 |
| 14 | -13379311589392 |
| 15 | -119762221369238 |
| 16 | -826135093245122 |
| 17 | -4949174987335110 |