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) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 6912 |
4 | 47552535724032 |
5 | 2344457420244640062508151026483200000 |
6 | 556518660278190472985800630083758030134707790620313895060688076800000000000000000 |