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 | 3 |
2 | 240 |
3 | 1512000 |
4 | 1536288768000 |
5 | 429266120461516800000 |
6 | 50406068004584362019389440000000 |
7 | 3534677027377560888380072035048488960000000000 |
8 | 199761495428405897006583857561824669625759249203200000000000000 |