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 | 4 |
3 | 30 |
4 | 232 |
5 | 2037 |
6 | 18720 |
7 | 179454 |
8 | 1770380 |
9 | 17864490 |
10 | 183510672 |
11 | 1912621814 |
12 | 20175123732 |
13 | 214980182783 |
14 | 2310645275932 |
15 | 25021270486830 |
16 | 272717638241172 |
17 | 2989549949264304 |
18 | 32938634975109864 |
19 | 364566094737276708 |