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 | 4 |
2 | 227 |
3 | 5329 |
4 | -26581 |
5 | 206116 |
6 | 2391479 |
7 | 16785409 |
8 | -174757993 |
9 | 2826198244 |
10 | 9824173259 |
11 | 14210785681 |
12 | -287742103741 |
13 | 22876687229764 |
14 | -22446053606113 |
15 | 89792737665409 |
16 | 5164999769137199 |
17 | 122161424469552196 |
18 | -606821408584323661 |
19 | 4689875711360495569 |