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 | 4 |
2 | 9 |
3 | 35 |
4 | 187 |
5 | 221 |
6 | 2323 |
7 | 120137 |
8 | 1021039 |
9 | 19399403 |
10 | 223092899 |
11 | 6469693261 |
12 | 200560490167 |
13 | 7420738134851 |
14 | 304250263527253 |
15 | 39248283995010137 |
16 | 614889782588491463 |
17 | 65178316954380089519 |
18 | 3845520700308425278201 |
19 | 117288381359406970983337 |
20 | 7858321551080267055879161 |