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 | 21 |
3 | 8841 |
4 | 1563274461 |
5 | 48876540809860084881 |
6 | 47778324830758366441099687810020355768101 |
7 | 45655366472669229704532780257129479597227844595083706917185803648786109654138692121 |