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 | 0 |
2 | 1 |
3 | 0 |
4 | -3 |
5 | 4 |
6 | 0 |
7 | 1 |
8 | -4 |
9 | 3 |
10 | 0 |
11 | -15 |
12 | 140 |
13 | -270 |
14 | 144 |
15 | 0 |
16 | 1 |
17 | -20 |
18 | 75 |
19 | -96 |
20 | 40 |
21 | 0 |
22 | -21 |
23 | 868 |
24 | -5670 |
25 | 13104 |
26 | -12600 |
27 | 4320 |
28 | 0 |
29 | 1 |
30 | -84 |
31 | 903 |
32 | -3360 |
33 | 5600 |
34 | -4320 |
35 | 1260 |
36 | 0 |
37 | -15 |
38 | 2540 |
39 | -43470 |
40 | 244944 |
41 | -630000 |
42 | 820800 |
43 | -529200 |
44 | 134400 |
45 | 0 |
46 | 1 |
47 | -340 |
48 | 9075 |
49 | -74592 |
50 | 278040 |
51 | -544320 |
52 | 582120 |
53 | -322560 |
54 | 72576 |