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 | 18 |
4 | 46 |
5 | 146 |
6 | 398 |
7 | 1234 |
8 | 3454 |
9 | 10610 |
10 | 30230 |
11 | 92290 |
12 | 265670 |
13 | 808210 |
14 | 2343182 |
15 | 7110994 |
16 | 20720798 |
17 | 62774578 |
18 | 183617910 |
19 | 555559554 |
20 | 1629845726 |
21 | 4926370114 |
22 | 14486707710 |
23 | 43752525762 |
24 | 128909169334 |
25 | 389075915954 |
26 | 1148184115062 |
27 | 3463595977986 |
28 | 10235096852902 |