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 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 4 |
5 | 25 |
6 | 10201 |
7 | 1040606050201 |
8 | 17606710134796383100801078407630169 |
9 | 1397251576763829044923817239566095383950667477080314561212188721224520791793149263311589905001958916 |