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 | 42 |
2 | 14617044842400 |
3 | 5458228515594914179387748450655273588000 |
4 | 864891828322912925373153355728411014930091519471102108791040960580578545212124160000 |