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 | 1 |
3 | 882850585445281 |
4 | 28084773172609134470952326813135521948919663474715912134590894817085103016117634792155856629828598766188378241 |