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 | 1 |
2 | 5 |
3 | 75 |
4 | 4410 |
5 | 1366617 |
6 | 2559274110 |
7 | 31328639384771 |
8 | 2625213100478051111 |
9 | 1553872467564223628517240 |
10 | 6655897240266476140036201639917 |
11 | 210488414263886836416720847147423569801 |
12 | 49987740079047684574220644720678455290986424137 |