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 | 54 |
2 | 9450 |
3 | 286679250 |
4 | 263199759084281250 |
5 | 221721055245240563933498289550781250 |
6 | 157320497971930517299046640166039915248640240419548633694648742675781250 |