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 | -48 |
2 | -392688 |
3 | -67089216 |
4 | 37279185936 |
5 | 15066490704480 |
6 | 2098369148842944 |
7 | 134803101024250752 |
8 | 4960096515113176080 |
9 | 119289357755096403984 |
10 | 2051412780505054295520 |
11 | 26894040676649639982144 |
12 | 281804014682888704101312 |