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 | 7298 |
| 4 | 132089 |
| 5 | 2183490 |
| 6 | 34846271 |
| 7 | 548520502 |
| 8 | 8593998133 |
| 9 | 134605124804 |
| 10 | 2112734282875 |
| 11 | 33277625395316 |
| 12 | 526401223244097 |
| 13 | 8365394600819118 |
| 14 | 133560895142858179 |
| 15 | 2142023381577621160 |
| 16 | 34497747586243864061 |
| 17 | 557716750350292506722 |
| 18 | 9047143455744392381123 |