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 | 3 |
1 | 31 |
2 | 3101 |
3 | 31010001 |
4 | 3101000100000001 |
5 | 9806223340409913487644162249555 |
6 | 310100010000000100000000000000014337285304591730671503423653032 |