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) |
---|---|
0 | 1 |
1 | 1 |
2 | 429 |
3 | 1385670 |
4 | 13672405890 |
5 | 278607172289160 |
6 | 9490348077234178440 |
7 | 475073684264389879228560 |
8 | 32103104214166146088869942000 |
9 | 2760171874087743799855959353857200 |
10 | 289232890341906497299306268771988273600 |
11 | 35764585916110766978895474668714467232388000 |