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 | 1 |
3 | 0 |
4 | -2 |
5 | 1 |
6 | 0 |
7 | 2 |
8 | -4 |
9 | 1 |
10 | 0 |
11 | 0 |
12 | 6 |
13 | -6 |
14 | 1 |
15 | 0 |
16 | 0 |
17 | -6 |
18 | 18 |
19 | -9 |
20 | 1 |
21 | 0 |
22 | 0 |
23 | 0 |
24 | -24 |
25 | 36 |
26 | -12 |
27 | 1 |
28 | 0 |
29 | 0 |
30 | 0 |
31 | 24 |
32 | -96 |
33 | 72 |
34 | -16 |
35 | 1 |
36 | 0 |
37 | 0 |
38 | 0 |
39 | 0 |
40 | 120 |
41 | -240 |
42 | 120 |
43 | -20 |
44 | 1 |
45 | 0 |
46 | 0 |
47 | 0 |
48 | 0 |
49 | -120 |
50 | 600 |
51 | -600 |
52 | 200 |
53 | -25 |
54 | 1 |
55 | 0 |
56 | 0 |
57 | 0 |
58 | 0 |
59 | 0 |
60 | -720 |
61 | 1800 |
62 | -1200 |
63 | 300 |
64 | -30 |
65 | 1 |
66 | 0 |
67 | 0 |
68 | 0 |
69 | 0 |
70 | 0 |
71 | 720 |
72 | -4320 |
73 | 5400 |
74 | -2400 |
75 | 450 |
76 | -36 |
77 | 1 |
78 | 0 |
79 | 0 |
80 | 0 |
81 | 0 |
82 | 0 |
83 | 0 |
84 | 5040 |
85 | -15120 |
86 | 12600 |
87 | -4200 |
88 | 630 |
89 | -42 |
90 | 1 |