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 | 720 |
2 | 479001600 |
3 | 6402373705728000 |
4 | 620448401733239439360000 |
5 | 265252859812191058636308480000000 |
6 | 371993326789901217467999448150835200000000 |
7 | 1405006117752879898543142606244511569936384000000000 |
8 | 12413915592536072670862289047373375038521486354677760000000000 |