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 | 1 |
3 | -1 |
4 | -8 |
5 | 57 |
6 | 455 |
7 | -22352 |
8 | -47767 |
9 | 69739671 |
10 | -3385862936 |
11 | -1747973613295 |
12 | 632038062613231 |
13 | 319807929289790304 |
14 | -778756000716629557903 |
15 | -186509371006506937278833 |
16 | 7581885296067966478838810840 |
17 | -17592286469464275110206466526327 |
18 | -594744699237794019378328459208828297 |