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 | 6 |
3 | -50 |
4 | 648 |
5 | -10952 |
6 | 232336 |
7 | -5919664 |
8 | 176435328 |
9 | -6024464000 |
10 | 231972167424 |
11 | -9946181374208 |
12 | 470038191434752 |
13 | -24276240445152256 |
14 | 1360508977539004416 |
15 | -82233680186863536128 |
16 | 5332689963474238341120 |
17 | -369321737420738845638656 |