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) |
|---|---|
| 2 | 248876637484140 |
| 3 | 1013960892216384 |
| 4 | 1093158208940760 |
| 5 | 101975569769446364 |
| 6 | 16699985993414520 |
| 7 | 1310809863419914830 |
| 8 | 331113952227684640 |