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 | 9 |
3 | 55 |
4 | 394 |
5 | 3102 |
6 | 25969 |
7 | 226891 |
8 | 2045342 |
9 | 18883205 |
10 | 177640462 |
11 | 1696658418 |
12 | 16408796013 |
13 | 160366113609 |
14 | 1581329919636 |
15 | 15713344659359 |
16 | 157187582466527 |
17 | 1581676730708500 |
18 | 15998326150898211 |
19 | 162571286470135097 |
20 | 1658893916098102321 |
21 | 16991130941208846890 |