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 | 720 |
4 | 479001600 |
5 | 2432902008176640000 |
6 | 265252859812191058636308480000000 |
7 | 1405006117752879898543142606244511569936384000000000 |
8 | 710998587804863451854045647463724949736497978881168458687447040000000000000 |