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 | 2 |
3 | 14 |
4 | 280 |
5 | 13500 |
6 | 1494432 |
7 | 397108896 |
8 | 295442310016 |
9 | 790590934285280 |
10 | 8917538639501922816 |
11 | 411296902906980232373760 |
12 | 73215772219125676749036230656 |
13 | 49200595120135859231689635315995648 |