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 | 14 |
3 | 156 |
4 | 2256 |
5 | 40416 |
6 | 869040 |
7 | 21817440 |
8 | 626063616 |
9 | 20210176512 |
10 | 724888631808 |
11 | 28599923045376 |
12 | 1230970377166848 |
13 | 57397448756994048 |
14 | 2882187551571941376 |
15 | 155065468075097960448 |
16 | 8898907099302329647104 |
17 | 542609247778976191610880 |
18 | 35031706496702707368591360 |