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 | 4 |
3 | 55 |
4 | 2539 |
5 | 383860 |
6 | 187659181 |
7 | 293630900689 |
8 | 1459799672901004 |
9 | 22924423319469919651 |
10 | 1131844225175191511724871 |
11 | 175015470856131731421651730600 |
12 | 84480805958219938739735661779357401 |
13 | 126948830401157131161305967764668449231937 |