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 | -3 |
2 | 45 |
3 | -1113 |
4 | 42585 |
5 | -2348973 |
6 | 176992725 |
7 | -17487754833 |
8 | 2195014332465 |
9 | -341282303124693 |
10 | 64397376340013805 |
11 | -14499110277050234553 |
12 | 3840151029102915908745 |
13 | -1182008039799685905580413 |
14 | 418424709061213506712209285 |
15 | -168805428822414120140493978273 |