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 | 5 |
2 | 1834560 |
3 | 517517500266693633076805172570524811961093324800 |
4 | 4244773998140675903976169144320000 |
5 | 3976213947924477545093906865809650247270400 |
6 | 12291248474277267848395134563637563923813851715476607482451722240 |