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 | 2 |
2 | 48 |
3 | 21600 |
4 | 252887040 |
5 | 98761420800000 |
6 | 1570566914538209280000 |
7 | 1201180685574618279796801536000 |
8 | 50959974187374808154771772407808000000000 |
9 | 135885790744085787579893977066309675148441026560000000 |
10 | 25449451333612206329171203227236492481881984357892096000000000000000 |