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 | 528 |
2 | 1495040 |
3 | 4653056000 |
4 | 14800557965312 |
5 | 47441169369530368 |
6 | 152534173898504142848 |
7 | 491056502853059022422016 |
8 | 1581710916068322391195910144 |
9 | 5095889238903796606027591319552 |