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 | 0 |
2 | 0 |
3 | 1 |
4 | -2 |
5 | 0 |
6 | 3 |
7 | 3 |
8 | -6 |
9 | 0 |
10 | 12 |
11 | 12 |
12 | 6 |
13 | -12 |
14 | 0 |
15 | 60 |
16 | 60 |
17 | 30 |
18 | 10 |
19 | -20 |
20 | 0 |
21 | 360 |
22 | 360 |
23 | 180 |
24 | 60 |
25 | 15 |
26 | -30 |
27 | 0 |
28 | 2520 |
29 | 2520 |
30 | 1260 |
31 | 420 |
32 | 105 |
33 | 21 |
34 | -42 |
35 | 0 |
36 | 20160 |
37 | 20160 |
38 | 10080 |
39 | 3360 |
40 | 840 |
41 | 168 |
42 | 28 |
43 | -56 |
44 | 0 |
45 | 181440 |
46 | 181440 |
47 | 90720 |
48 | 30240 |
49 | 7560 |
50 | 1512 |
51 | 252 |
52 | 36 |
53 | -72 |
54 | 0 |