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 | 2 |
2 | 6 |
3 | 36 |
4 | 30 |
5 | 300 |
6 | 15000 |
7 | 1260 |
8 | 42000 |
9 | 2940 |
10 | 288120 |
11 | 21176820 |
12 | 18480 |
13 | 66555720 |
14 | 328703760 |
15 | 12298440 |
16 | 2232166860 |
17 | 360122920080 |
18 | 360360 |
19 | 103062960 |
20 | 22107004920 |
21 | 4215068938080 |
22 | 129290917072196880 |
23 | 3525159950945805332160 |
24 | 90107494796113466546674800 |
25 | 645822919595173320 |
26 | 72532204477502449680 |
27 | 1648012277067163992784800 |