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 | 2 |
2 | 6 |
3 | 28 |
4 | 172 |
5 | 1328 |
6 | 12272 |
7 | 132480 |
8 | 1633344 |
9 | 22663104 |
10 | 349324608 |
11 | 5923548288 |
12 | 109570736256 |
13 | 2195765044224 |
14 | 47386235513856 |
15 | 1095689316882432 |
16 | 27023900076988416 |
17 | 708173307424456704 |
18 | 19649589144733089792 |