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) |
---|---|
1 | 1 |
2 | 1 |
3 | -1 |
4 | -2 |
5 | 0 |
6 | -2 |
7 | 6 |
8 | 0 |
9 | -3 |
10 | 6 |
11 | -9 |
12 | 24 |
13 | 0 |
14 | 0 |
15 | 0 |
16 | 0 |
17 | 0 |
18 | -24 |
19 | 120 |
20 | 0 |
21 | 0 |
22 | -40 |
23 | 0 |
24 | 0 |
25 | -30 |
26 | 80 |
27 | 90 |
28 | -90 |
29 | -130 |
30 | 720 |
31 | 0 |
32 | 0 |
33 | 0 |
34 | 0 |
35 | 0 |
36 | 0 |
37 | 0 |
38 | 0 |
39 | 0 |
40 | 0 |
41 | 0 |
42 | 0 |
43 | 0 |
44 | -720 |
45 | 5040 |
46 | 0 |
47 | 0 |
48 | 0 |
49 | -1260 |
50 | 0 |
51 | 0 |
52 | 0 |
53 | 1260 |
54 | 0 |
55 | 0 |
56 | 2520 |
57 | 3780 |
58 | 0 |
59 | -945 |
60 | 3780 |
61 | 0 |
62 | 0 |
63 | 0 |
64 | -6930 |
65 | 6300 |
66 | -8505 |