cp's OEIS Frontend

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.

A048272 Number of odd divisors of n minus number of even divisors of n.

Table of values

n a(n)
1 1
2 0
3 2
4 -1
5 2
6 0
7 2
8 -2
9 3
10 0
11 2
12 -2
13 2
14 0
15 4
16 -3
17 2
18 0
19 2
20 -2
21 4
22 0
23 2
24 -4
25 3
26 0
27 4
28 -2
29 2
30 0
31 2
32 -4
33 4
34 0
35 4
36 -3
37 2
38 0
39 4
40 -4
41 2
42 0
43 2
44 -2
45 6
46 0
47 2
48 -6
49 3
50 0
51 4
52 -2
53 2
54 0
55 4
56 -4
57 4
58 0
59 2
60 -4
61 2
62 0
63 6
64 -5
65 4
66 0
67 2
68 -2
69 4
70 0
71 2
72 -6
73 2
74 0
75 6
76 -2
77 4
78 0
79 2
80 -6
81 5
82 0
83 2
84 -4
85 4
86 0
87 4
88 -4
89 2
90 0
91 4
92 -2
93 4

List of values

[1, 0, 2, -1, 2, 0, 2, -2, 3, 0, 2, -2, 2, 0, 4, -3, 2, 0, 2, -2, 4, 0, 2, -4, 3, 0, 4, -2, 2, 0, 2, -4, 4, 0, 4, -3, 2, 0, 4, -4, 2, 0, 2, -2, 6, 0, 2, -6, 3, 0, 4, -2, 2, 0, 4, -4, 4, 0, 2, -4, 2, 0, 6, -5, 4, 0, 2, -2, 4, 0, 2, -6, 2, 0, 6, -2, 4, 0, 2, -6, 5, 0, 2, -4, 4, 0, 4, -4, 2, 0, 4, -2, 4]