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 | 3 |
3 | 50 |
4 | 2100 |
5 | 166824 |
6 | 21538440 |
7 | 4115105280 |
8 | 1091804313600 |
9 | 384202115256960 |
10 | 173201547619900800 |
11 | 97349279409046828800 |
12 | 66747386996603337024000 |
13 | 54838533307770850530816000 |
14 | 53185913922332495626882560000 |