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 | 120 |
3 | 85320 |
4 | 174792640 |
5 | 782083984500 |
6 | 6505247592703944 |
7 | 90471680541391718800 |
8 | 1951589337580920650595840 |
9 | 61742372998425082372103866380 |
10 | 2743355077591282538231819720749000 |
11 | 165382891003629711761140477728569323368 |
12 | 13151651360462180865959048190677701749268800 |