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 | 0 |
1 | 0 |
2 | 20 |
3 | 1220 |
4 | 321120 |
5 | 13423120 |
6 | 1433424120 |
7 | 4443424120 |
8 | 8433423120 |
9 | 187443422120 |
10 | 28175443523120 |
11 | 2827255433624120 |
12 | 282716454443823120 |
13 | 382726356443923120 |
14 | 19382736256463823120 |
15 | 29382756253483823120 |