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 | 1 |
3 | 1 |
4 | -3 |
5 | 6 |
6 | 10 |
7 | -195 |
8 | 945 |
9 | -3080 |
10 | 17136 |
11 | 37170 |
12 | -796950 |
13 | 3880800 |
14 | 122007600 |
15 | -2380685307 |
16 | 18531377865 |
17 | -136619683200 |
18 | 942469528000 |
19 | 723819456360 |
20 | -118481659031736 |
21 | 1884943573381440 |
22 | -16067035945724400 |
23 | -323306803861791750 |
24 | 15940746503392961250 |