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) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 6 |
5 | 20 |
6 | 71 |
7 | 267 |
8 | 1041 |
9 | 4168 |
10 | 17047 |
11 | 70902 |
12 | 298967 |
13 | 1275141 |
14 | 5491504 |
15 | 23846271 |
16 | 104295430 |
17 | 459023543 |
18 | 2031459236 |
19 | 9034769573 |
20 | 40358643042 |
21 | 180998556943 |
22 | 814645632727 |
23 | 3678542796070 |
24 | 16659932961647 |
25 | 75657738747396 |
26 | 344446195875766 |
27 | 1571786529601990 |
28 | 7187790264787872 |