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 | 2 |
3 | 3 |
4 | 6 |
5 | 18 |
6 | 48 |
7 | 151 |
8 | 478 |
9 | 1580 |
10 | 5304 |
11 | 18220 |
12 | 63308 |
13 | 222936 |
14 | 792436 |
15 | 2841807 |
16 | 10265130 |
17 | 37322728 |
18 | 136468200 |
19 | 501523066 |
20 | 1851418668 |