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 | 9 |
2 | 49 |
3 | 281 |
4 | 1633 |
5 | 9513 |
6 | 55441 |
7 | 323129 |
8 | 1883329 |
9 | 10976841 |
10 | 63977713 |
11 | 372889433 |
12 | 2173358881 |
13 | 12667263849 |
14 | 73830224209 |
15 | 430314081401 |
16 | 2508054264193 |
17 | 14618011503753 |
18 | 85200014758321 |
19 | 496582077046169 |
20 | 2894292447518689 |
21 | 16869172608065961 |
22 | 98320743200877073 |