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) |
---|---|
1 | 1 |
2 | -3 |
3 | 19 |
4 | -207 |
5 | 3331 |
6 | -71223 |
7 | 1890379 |
8 | -59652687 |
9 | 2175761971 |
10 | -89953773543 |
11 | 4155502117339 |
12 | -212122704251967 |
13 | 11857607972675011 |
14 | -720435277883199063 |
15 | 47273215180877201899 |
16 | -3331797538738820992047 |
17 | 251025685429022007354451 |
18 | -20133640365773761748643783 |
19 | 1712740622904757368673592059 |