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) |
---|---|
2 | 6 |
3 | 480 |
4 | 197820 |
5 | 150474240 |
6 | 208857587400 |
7 | 471804812519040 |
8 | 1625459273858019600 |
9 | 8112729590064978278400 |
10 | 56342429224416522460072800 |
11 | 527075322501595757416502976000 |
12 | 6466573585901882433727764077860800 |
13 | 101749747195531624711768653503416320000 |