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 | 0 |
1 | 1 |
2 | 6 |
3 | 66 |
4 | 1110 |
5 | 25620 |
6 | 765506 |
7 | 28544040 |
8 | 1293790126 |
9 | 69860663220 |
10 | 4422094936842 |
11 | 323816329558128 |
12 | 27127369640967206 |
13 | 2575241880204602700 |
14 | 274755427187762475922 |
15 | 32708158728316937527944 |
16 | 4316964980670466411606110 |
17 | 628131523035069583394938980 |