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 | 3 |
3 | 17 |
4 | 145 |
5 | 1665 |
6 | 24115 |
7 | 422305 |
8 | 8681985 |
9 | 205042625 |
10 | 5471351875 |
11 | 162811832625 |
12 | 5345929731025 |
13 | 192007183247425 |
14 | 7488448738333875 |
15 | 315170338129570625 |
16 | 14238153926819850625 |
17 | 687220571240324330625 |
18 | 35293921478604240911875 |
19 | 1921751625123502012140625 |