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 | -1 |
2 | -8191 |
3 | -690690 |
4 | 822573570 |
5 | 142081621501 |
6 | -102803639194620 |
7 | -28281091311058949 |
8 | 13668272700177314310 |
9 | 5514776417237892113400 |
10 | -1808663163639294990384630 |
11 | -1056880191873167904305607180 |
12 | 224746784451252089897697350159 |