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 | 7 |
3 | 20 |
4 | 60 |
5 | 178 |
6 | 529 |
7 | 1572 |
8 | 4671 |
9 | 13880 |
10 | 41244 |
11 | 122556 |
12 | 364173 |
13 | 1082134 |
14 | 3215543 |
15 | 9554932 |
16 | 28392320 |
17 | 84367302 |
18 | 250696021 |
19 | 744939016 |
20 | 2213573775 |
21 | 6577597296 |
22 | 19545219896 |
23 | 58078292664 |
24 | 172578671241 |
25 | 512814623178 |