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 | 5 |
3 | 17 |
4 | 65 |
5 | 241 |
6 | 901 |
7 | 3361 |
8 | 12545 |
9 | 46817 |
10 | 174725 |
11 | 652081 |
12 | 2433601 |
13 | 9082321 |
14 | 33895685 |
15 | 126500417 |
16 | 472105985 |
17 | 1761923521 |
18 | 6575588101 |
19 | 24540428881 |
20 | 91586127425 |
21 | 341804080817 |
22 | 1275630195845 |
23 | 4760716702561 |
24 | 17767236614401 |