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 | 1 |
2 | 1 |
3 | 13 |
4 | 1742 |
5 | 2552030 |
6 | 41102995180 |
7 | 7281683317103260 |
8 | 14189947350338830620680 |
9 | 304174136317707285574697584520 |
10 | 71722670512982436329410134761448960400 |
11 | 186030135925835196854820049614502274473787544400 |