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 | 2 |
3 | 24 |
4 | 3456 |
5 | 9953280 |
6 | 859963392000 |
7 | 3120635156889600000 |
8 | 634153008009974906880000000 |
9 | 9278496603801318870491332608000000000 |
10 | 12218100099725239100847669366019325952000000000000 |
11 | 1769792823810713244721831122736499011207487815680000000000000000 |