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 | 19 |
4 | 471 |
5 | 162631 |
6 | 12884412819 |
7 | 64563604212887416603 |
8 | 1361129467683753853595244012815395920687 |
9 | 521064401567922879406069432539095585333589848390805645835993148352662477920015 |