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 | 2 |
2 | 1 |
3 | 18 |
4 | 32401 |
5 | 1049824801000018 |
6 | 110213211279472739469283600032400000000000000032401 |