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 | 12 |
3 | 1152 |
4 | 431424 |
5 | 427723200 |
6 | 920031955200 |
7 | 3777894212198400 |
8 | 27039993414897254400 |
9 | 315084437077115278540800 |
10 | 5667616936309704095784960000 |
11 | 150796432741520745587273564160000 |