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 | 1 |
3 | 6 |
4 | 240 |
5 | 414720 |
6 | 4379443200 |
7 | 2648687247360000 |
8 | 11619303595714805760000 |
9 | 4047756373260469165621248000000 |
10 | 311107430628520522709128328175943680000000 |
11 | 152539657943794787580793302587123569672794931200000000 |