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 | 0 |
2 | 270 |
3 | 3840 |
4 | -514080 |
5 | -15413760 |
6 | 1283087040 |
7 | 62644907520 |
8 | -3378279124350 |
9 | -252933976704000 |
10 | 8502815843769600 |
11 | 1007506223570707200 |
12 | -17757117956815481280 |
13 | -3942183666885514421760 |
14 | 14527133705347401150720 |
15 | 15088544258811557869278720 |
16 | 144818514010649047069497600 |