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 | 120 |
2 | 291720 |
3 | 1085674320 |
4 | 4927561419120 |
5 | 25071989721176760 |
6 | 137401053406474591320 |
7 | 793279085081986319145120 |
8 | 4760210822189950253433759120 |
9 | 29426738284267047709626231969120 |
10 | 186257720453050086737999575854359760 |
11 | 1201788369927033696254110199515917069120 |