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 | 3 |
3 | 13 |
4 | 67 |
5 | 405 |
6 | 2839 |
7 | 22717 |
8 | 204459 |
9 | 2044597 |
10 | 22490575 |
11 | 269886909 |
12 | 3508529827 |
13 | 49119417589 |
14 | 736791263847 |
15 | 11788660221565 |
16 | 200407223766619 |
17 | 3607330027799157 |
18 | 68539270528183999 |
19 | 1370785410563679997 |
20 | 28786493621837279955 |
21 | 633302859680420159029 |
22 | 14565965772649663657687 |