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 | 6 |
3 | 1 |
4 | 0 |
5 | 30 |
6 | 1 |
7 | -14 |
8 | 0 |
9 | 140 |
10 | 1 |
11 | -120 |
12 | 0 |
13 | 0 |
14 | 630 |
15 | 1 |
16 | -1386 |
17 | 660 |
18 | 0 |
19 | 0 |
20 | 2772 |
21 | 1 |
22 | -21840 |
23 | 18018 |
24 | 0 |
25 | 0 |
26 | 0 |
27 | 12012 |
28 | 1 |
29 | -450054 |
30 | 491400 |
31 | -60060 |
32 | 0 |
33 | 0 |
34 | 0 |
35 | 51480 |
36 | 1 |
37 | -11880960 |
38 | 15506040 |
39 | -3712800 |
40 | 0 |
41 | 0 |
42 | 0 |
43 | 0 |
44 | 218790 |
45 | 1 |
46 | -394788954 |
47 | 581981400 |
48 | -196409840 |
49 | 8817900 |
50 | 0 |
51 | 0 |
52 | 0 |
53 | 0 |
54 | 923780 |
55 | 1 |
56 | -16172552880 |
57 | 26003271294 |
58 | -10863652800 |
59 | 1031151660 |
60 | 0 |
61 | 0 |
62 | 0 |
63 | 0 |
64 | 0 |
65 | 3879876 |