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 | 0 |
3 | 8 |
4 | -64 |
5 | 832 |
6 | -13568 |
7 | 269824 |
8 | -6328320 |
9 | 171044864 |
10 | -5235245056 |
11 | 178988498944 |
12 | -6760886435840 |
13 | 279614956503040 |
14 | -12566949343002624 |
15 | 609881495812702208 |
16 | -31785828867471572992 |
17 | 1770660964785178279936 |
18 | -104990165030126886060032 |