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 | 60 |
2 | 4680000 |
3 | 228501000000000 |
4 | 6973279267500000000000000 |
5 | 133004733151172695312500000000000000000 |
6 | 1585539968089882234636505126953125000000000000000000000 |