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 | 3 |
3 | 31 |
4 | 1145 |
5 | 154881 |
6 | 77899563 |
7 | 147226330175 |
8 | 1053765855157617 |
9 | 28736455088578690945 |
10 | 3000127124463666294963283 |
11 | 1203831304687539089648950490463 |
12 | 1862632561783036151478238040096092649 |
13 | 11143500837236042423379349834982088594105985 |