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 | 3 |
3 | -33 |
4 | 1407 |
5 | -237057 |
6 | 158992383 |
7 | -425715556353 |
8 | 4556004503093247 |
9 | -194971932801554579457 |
10 | 33370662957719457037287423 |
11 | -22845215336421444625717664940033 |
12 | 62557106610069521429900219032249827327 |
13 | -685195337175488637158242110253091749621661697 |