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 | 1 |
2 | 1 |
3 | -2 |
4 | 11 |
5 | -88 |
6 | 869 |
7 | -9876 |
8 | 124473 |
9 | -1701630 |
10 | 24870695 |
11 | -384795184 |
12 | 6257294780 |
13 | -106377162620 |
14 | 1882982975521 |
15 | -34593496243070 |
16 | 657935674477431 |
17 | -12927331575084846 |
18 | 261951066040220637 |
19 | -5466177185459699916 |
20 | 117315664923801661485 |
21 | -2586804284853871362408 |