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 | 4 |
3 | 12 |
4 | 880 |
5 | 46900 |
6 | 1615824 |
7 | 45094896 |
8 | 1115345088 |
9 | 25519125060 |
10 | 553014576400 |
11 | 11514200107696 |
12 | 232490008680384 |
13 | 4581732884262352 |
14 | 88532684825838400 |
15 | 1683073282734360000 |
16 | 31561148509363526400 |
17 | 584964180982546208100 |