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 | 2 |
1 | -2 |
2 | 4 |
3 | 2 |
4 | -12 |
5 | 12 |
6 | 0 |
7 | 24 |
8 | -72 |
9 | 48 |
10 | -8 |
11 | 0 |
12 | 240 |
13 | -480 |
14 | 240 |
15 | 0 |
16 | -240 |
17 | 0 |
18 | 2400 |
19 | -3600 |
20 | 1440 |
21 | 240 |
22 | 0 |
23 | -5040 |
24 | 0 |
25 | 25200 |
26 | -30240 |
27 | 10080 |
28 | 0 |
29 | 13440 |
30 | 0 |
31 | -94080 |
32 | 0 |
33 | 282240 |
34 | -282240 |
35 | 80640 |
36 | -24192 |
37 | 0 |
38 | 483840 |
39 | 0 |
40 | -1693440 |
41 | 0 |
42 | 3386880 |
43 | -2903040 |
44 | 725760 |
45 | 0 |
46 | -2177280 |
47 | 0 |
48 | 14515200 |
49 | 0 |
50 | -30481920 |
51 | 0 |
52 | 43545600 |
53 | -32659200 |