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) |
---|---|
1 | 1 |
2 | 5 |
3 | 70 |
4 | 1890 |
5 | 83160 |
6 | 5405400 |
7 | 486486000 |
8 | 57891834000 |
9 | 8799558768000 |
10 | 1663116607152000 |
11 | 382516819644960000 |
12 | 105192125402364000000 |
13 | 34082248630365936000000 |
14 | 12849007733647957872000000 |
15 | 5576469356403213716448000000 |
16 | 2760352331419590789641760000000 |