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 | 0 |
3 | -4 |
4 | 10 |
5 | 67 |
6 | -969 |
7 | 3341 |
8 | 86976 |
9 | -1988704 |
10 | 14144108 |
11 | 405611857 |
12 | -17544321563 |
13 | 287677263837 |
14 | 3595470378748 |
15 | -421298868094940 |
16 | 14476946230894114 |
17 | -112253861285434961 |
18 | -18711849695261432065 |
19 | 1354595712379990848137 |
20 | -44436925726445545236496 |