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 | 3 |
3 | 16 |
4 | 400 |
5 | 176400 |
6 | 31265312400 |
7 | 977530816165936208400 |
8 | 955566496615167328821016225384209913664400 |
9 | 913107329453384594090655605142589591944555936335177523176387250981965992675658480400 |