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 | 0 |
1 | 1 |
2 | -2 |
3 | 28 |
4 | -1808 |
5 | 469072 |
6 | -456745472 |
7 | 1601325615808 |
8 | -19650153075181568 |
9 | 826737899840505194752 |
10 | -117393483573257494026125312 |
11 | 55564698792825562646890851908608 |
12 | -86789641569440259960965030826164092928 |