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 | 3 |
1 | 7 |
2 | 31 |
3 | 157 |
4 | 827 |
5 | 4407 |
6 | 23563 |
7 | 126105 |
8 | 675075 |
9 | 3614143 |
10 | 19349431 |
11 | 103593805 |
12 | 554625899 |
13 | 2969386479 |
14 | 15897666067 |
15 | 85113810057 |
16 | 455687062275 |
17 | 2439682811479 |
18 | 13061709929935 |
19 | 69930511268509 |
20 | 374397872321627 |