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 | 1 |
2 | 2 |
3 | 5 |
4 | 14 |
5 | 40 |
6 | 159 |
7 | 812 |
8 | 5133 |
9 | 42942 |
10 | 474619 |
11 | 6708142 |
12 | 121367878 |
13 | 2819170132 |
14 | 83571532538 |
15 | 3148951107867 |
16 | 151069353323782 |
17 | 9219463980803329 |
18 | 714951048370178409 |
19 | 70448496563603216429 |
20 | 8818161368662624534857 |