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 | 2 |
2 | 6 |
3 | 46 |
4 | 330 |
5 | 2778 |
6 | 24094 |
7 | 219318 |
8 | 2048274 |
9 | 19583410 |
10 | 190497142 |
11 | 1880184446 |
12 | 18778814938 |
13 | 189456108554 |
14 | 1927852050830 |
15 | 19763367194630 |
16 | 203919590002210 |
17 | 2116079501498722 |
18 | 22069907395614182 |
19 | 231222485352688590 |
20 | 2432325883912444010 |