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 | 3 |
3 | 27 |
4 | 756 |
5 | 68040 |
6 | 20207880 |
7 | 20228087880 |
8 | 69422797604160 |
9 | 828491666608045440 |
10 | 34788365080871828025600 |
11 | 5191328567558179408948185600 |
12 | 2776779354844059467693477099212800 |
13 | 5363460395055494624228658756213491712000 |