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.

A069283 a(n) = -1 + number of odd divisors of n.

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 0
5 1
6 1
7 1
8 0
9 2
10 1
11 1
12 1
13 1
14 1
15 3
16 0
17 1
18 2
19 1
20 1
21 3
22 1
23 1
24 1
25 2
26 1
27 3
28 1
29 1
30 3
31 1
32 0
33 3
34 1
35 3
36 2
37 1
38 1
39 3
40 1
41 1
42 3
43 1
44 1
45 5
46 1
47 1
48 1
49 2
50 2
51 3
52 1
53 1
54 3
55 3
56 1
57 3
58 1
59 1
60 3
61 1
62 1
63 5
64 0
65 3
66 3
67 1
68 1
69 3
70 3
71 1
72 2
73 1
74 1
75 5
76 1
77 3
78 3
79 1
80 1
81 4
82 1
83 1
84 3
85 3
86 1
87 3
88 1
89 1
90 5
91 3
92 1
93 3
94 1
95 3
96 1
97 1
98 2
99 5
100 2

List of values

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