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 | 4 |
2 | 9 |
3 | 121 |
4 | 10201 |
5 | 94249 |
6 | 900075181570009 |
7 | 12124434743442121 |
8 | 12323244744232321 |
9 | 12341234943214321 |
10 | 1022321210249420121232201 |
11 | 1210024420147410244200121 |
12 | 1210222232227222322220121 |