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 | -1 |
5 | -3 |
6 | 0 |
7 | 2 |
8 | 4 |
9 | 0 |
10 | -12 |
11 | 0 |
12 | 8 |
13 | -1 |
14 | 15 |
15 | 0 |
16 | -40 |
17 | 0 |
18 | 24 |
19 | -4 |
20 | 0 |
21 | 60 |
22 | 0 |
23 | -120 |
24 | 0 |
25 | 64 |
26 | -1 |
27 | -35 |
28 | 0 |
29 | 210 |
30 | 0 |
31 | -336 |
32 | 0 |
33 | 160 |
34 | 8 |
35 | 0 |
36 | -168 |
37 | 0 |
38 | 672 |
39 | 0 |
40 | -896 |
41 | 0 |
42 | 384 |
43 | -1 |
44 | 63 |
45 | 0 |
46 | -672 |
47 | 0 |
48 | 2016 |
49 | 0 |
50 | -2304 |
51 | 0 |
52 | 896 |
53 | -8 |
54 | 0 |
55 | 360 |
56 | 0 |
57 | -2400 |
58 | 0 |
59 | 5760 |
60 | 0 |
61 | -5760 |
62 | 0 |
63 | 2048 |
64 | -1 |
65 | -99 |
66 | 0 |
67 | 1650 |
68 | 0 |
69 | -7920 |
70 | 0 |
71 | 15840 |
72 | 0 |
73 | -14080 |
74 | 0 |
75 | 4608 |