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 | 2 |
2 | 20 |
3 | 86 |
4 | 400 |
5 | 1592 |
6 | 5888 |
7 | 21882 |
8 | 79112 |
9 | 281754 |
10 | 991292 |
11 | 3452756 |
12 | 11929580 |
13 | 40936072 |
14 | 139644508 |
15 | 473965068 |
16 | 1601601800 |
17 | 5391122062 |
18 | 18084715096 |
19 | 60480149694 |
20 | 201706042464 |
21 | 671036424848 |
22 | 2227380695220 |
23 | 7378205313096 |