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 | 6 |
2 | 13860 |
3 | 423783360 |
4 | 70220478968640 |
5 | 41004669682770393600 |
6 | 65405789473547026656472320 |
7 | 240729724316568938710767014707200 |
8 | 1813083536072533851678174232377806438400 |
9 | 25541737277107694920826740625991927645705830400 |