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 | 0 |
2 | 0 |
3 | 3 |
4 | 5 |
5 | 16 |
6 | 52 |
7 | 147 |
8 | 442 |
9 | 1320 |
10 | 3916 |
11 | 11664 |
12 | 34717 |
13 | 103298 |
14 | 307440 |
15 | 914949 |
16 | 2722885 |
17 | 8103424 |
18 | 24116008 |
19 | 71769885 |
20 | 213589298 |
21 | 635647790 |
22 | 1891705884 |
23 | 5629770720 |
24 | 16754357925 |
25 | 49861446392 |
26 | 148389084968 |
27 | 441610143507 |