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 | 3 |
2 | 630 |
3 | 756000 |
4 | 2740537800 |
5 | 22317642547200 |
6 | 344030189461358400 |
7 | 8979238155223784448000 |
8 | 366881017725878906250000000 |
9 | 22141857318039212329716940800000 |
10 | 1887349497873286715447530129178400000 |
11 | 219275034010568207287452830493455155200000 |