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) |
---|---|
1 | 2 |
2 | 3 |
3 | 25 |
4 | 721 |
5 | 3628801 |
6 | 479001601 |
7 | 20922789888001 |
8 | 6402373705728001 |
9 | 1124000727777607680001 |
10 | 304888344611713860501504000001 |
11 | 265252859812191058636308480000001 |
12 | 371993326789901217467999448150835200000001 |