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 | 210 |
3 | 813750 |
4 | 58494843750 |
5 | 77998664766618750 |
6 | 1929292299321647690193750 |
7 | 885215793907124317300191394818750 |
8 | 7534251364260636630211044759506294857668750 |