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 | 5040 |
2 | 76281004800 |
3 | 37626350120206848000 |
4 | 185657801986983855655526400000 |
5 | 5150422429203073500358041285476352000000 |
6 | 569512147150397429576160463881863910421954560000000 |
7 | 199607288101583292042564550150623446229209414764068864000000000 |