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 | 15 |
4 | 630 |
5 | 198450 |
6 | 589396500 |
7 | 19912024006875 |
8 | 8969371213896843750 |
9 | 61815874928487448987968750 |
10 | 7358663747680777931818630148437500 |
11 | 16862758880642741957030086746987589746093750 |