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 | 1 |
3 | 3 |
4 | 9 |
5 | 49 |
6 | 249 |
7 | 1963 |
8 | 14129 |
9 | 146017 |
10 | 1362961 |
11 | 17450227 |
12 | 200409465 |
13 | 3064381137 |
14 | 41812246345 |
15 | 744091967643 |
16 | 11765081428705 |
17 | 239039270010305 |
18 | 4298599985014945 |
19 | 98237724213189475 |
20 | 1980239469431883625 |