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 | 1 |
2 | 6 |
3 | 9 |
4 | 744 |
5 | 4179600 |
6 | 8448511339584 |
7 | 5768007101259200000000000049 |
8 | 5174534068654382362457957919012519218990703784333328400 |
9 | 2738806678866818978778889262772030983678218158753649709561749318814684327986697592167893627634348717226004356 |