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) |
---|---|
1 | 1 |
2 | 3 |
3 | 11 |
4 | 53 |
5 | 323 |
6 | 2359 |
7 | 19877 |
8 | 188591 |
9 | 1981963 |
10 | 22795849 |
11 | 284285351 |
12 | 3815293199 |
13 | 54762206985 |
14 | 836280215979 |
15 | 13527449608779 |
16 | 230894574439485 |
17 | 4144741143359355 |
18 | 78017419806432567 |
19 | 1535903379571939981 |
20 | 31550210953904250759 |