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 | 6 |
4 | 48 |
5 | 1440 |
6 | 414720 |
7 | 4180377600 |
8 | 13869489586176000 |
9 | 521817332305350780518400000 |
10 | 72373400562952038729626622187536384000000000 |
11 | 415422642927888257689749131592471020852730170822782196121600000000000000 |