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 | 2 |
2 | 20 |
3 | 952 |
4 | 336112 |
5 | 742166496 |
6 | 10043945021760 |
7 | 814531629739559808 |
8 | 393150002983518264270592 |
9 | 1123538097532735360702239462912 |
10 | 18948231465474675384343860006353603584 |
11 | 1881331085022567366434813565917484763975526400 |