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 | 14 |
4 | 240 |
5 | 63488 |
6 | 4227858432 |
7 | 18302628885633695744 |
8 | 338953138925153547590470800371487866880 |
9 | 115565932813024562229384322928592814283244066726840484812818018414147674308608 |