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 | 0 |
1 | 0 |
2 | 2 |
3 | 6 |
4 | 28 |
5 | 100 |
6 | 366 |
7 | 1274 |
8 | 4376 |
9 | 14760 |
10 | 49210 |
11 | 162382 |
12 | 531444 |
13 | 1727180 |
14 | 5580134 |
15 | 17936130 |
16 | 57395632 |
17 | 182948560 |
18 | 581130738 |
19 | 1840247318 |
20 | 5811307340 |
21 | 18305618100 |
22 | 57531942622 |
23 | 180441092746 |
24 | 564859072968 |
25 | 1765184603000 |
26 | 5507375961386 |
27 | 17157594341214 |
28 | 53379182394916 |