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) |
---|---|
2 | 9 |
3 | 450 |
4 | 99225 |
5 | 3572100 |
6 | 1080560250 |
7 | 547844046750 |
8 | 28761812454375 |
9 | 66497310394515000 |
10 | 324074642207668852500 |
11 | 170139187159026147562500 |
12 | 495019965039186576333093750 |
13 | 74252994755877986449964062500 |