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 | 0 |
1 | 1 |
2 | -3 |
3 | 3 |
4 | 9 |
5 | -25 |
6 | -99 |
7 | 427 |
8 | 2193 |
9 | -12465 |
10 | -79515 |
11 | 555731 |
12 | 4247577 |
13 | -35135945 |
14 | -313193811 |
15 | 2990414715 |
16 | 30461046561 |
17 | -329655706465 |
18 | -3777604994187 |
19 | 45692713833379 |
20 | 581778811909545 |
21 | -7777794952988025 |
22 | -108933009112011843 |
23 | 1595024111042171723 |
24 | 24370176181315498929 |