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 | -5 |
3 | 112 |
4 | -4320 |
5 | 227766 |
6 | -14942616 |
7 | 1162657840 |
8 | -104338906529 |
9 | 10609887976616 |
10 | -1207797487940348 |
11 | 152572977202977992 |
12 | -21242819435887437760 |
13 | 3241842130718219392320 |
14 | -539712032454499745200600 |
15 | 97612800729251959183577168 |
16 | -19106581507633892101354812324 |
17 | 4033513580481891302243479168168 |
18 | -915408408852469072798058443048672 |