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 | 2 |
3 | 36 |
4 | 576 |
5 | 207360000 |
6 | 268738560000 |
7 | 416336312719673760153600000000 |
8 | 6984964247141514123629140377600000000 |
9 | 300679807141675805997423113304381849600000000 |