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 | -2 |
2 | 2 |
3 | 0 |
4 | 260 |
5 | -72384 |
6 | 40618368 |
7 | -64586112000 |
8 | 322969883412000 |
9 | -5357637135507147264 |
10 | 305435344239722874022912 |
11 | -61394251001333873555321724928 |
12 | 44347756583930343994689166159720448 |