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 | -1 |
3 | 1 |
4 | 17 |
5 | -339 |
6 | 4999 |
7 | -63587 |
8 | 566145 |
9 | 3549241 |
10 | -405637489 |
11 | 15518099961 |
12 | -446235202799 |
13 | 9617693853925 |
14 | -75522664207017 |
15 | -7341781870733099 |
16 | 596513949276803969 |
17 | -30104875035438797583 |
18 | 1144712508931072057375 |
19 | -27381639204739332379151 |