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 | 2 |
2 | 6 |
3 | 18 |
4 | 50 |
5 | 138 |
6 | 430 |
7 | 1242 |
8 | 3666 |
9 | 10938 |
10 | 34598 |
11 | 108098 |
12 | 338634 |
13 | 1058370 |