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 | 109824 |
2 | 5134924800 |
3 | 275588031713280 |
4 | 15664518350357381120 |
5 | 919029987874102029778944 |
6 | 55014538812191247245224181760 |
7 | 3339401594009138875954682737459200 |