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.

A323068 Number of divisors d of n such that A049820(d) > 0 and A049820(d) is also a divisor of n.

Table of values

n a(n)
1 0
2 0
3 1
4 1
5 0
6 2
7 0
8 2
9 1
10 0
11 0
12 4
13 0
14 0
15 2
16 2
17 0
18 3
19 0
20 1
21 1
22 0
23 0
24 5
25 0
26 0
27 1
28 1
29 0
30 4
31 0
32 2
33 1
34 0
35 1
36 6
37 0
38 0
39 1
40 2
41 0
42 2
43 0
44 1
45 2
46 0
47 0
48 6
49 0
50 0
51 1
52 1
53 0
54 3
55 0
56 2
57 1
58 0
59 0
60 6
61 0
62 0
63 1
64 2
65 0
66 2
67 0
68 1
69 1
70 2
71 0
72 7
73 0
74 0
75 2
76 1
77 0
78 2
79 0
80 2
81 1
82 0
83 0
84 4
85 0
86 0
87 1
88 2
89 0
90 5
91 0
92 1
93 1
94 0
95 0
96 6
97 0
98 0
99 2
100 1
101 0
102 2
103 0
104 2
105 3

List of values

[0, 0, 1, 1, 0, 2, 0, 2, 1, 0, 0, 4, 0, 0, 2, 2, 0, 3, 0, 1, 1, 0, 0, 5, 0, 0, 1, 1, 0, 4, 0, 2, 1, 0, 1, 6, 0, 0, 1, 2, 0, 2, 0, 1, 2, 0, 0, 6, 0, 0, 1, 1, 0, 3, 0, 2, 1, 0, 0, 6, 0, 0, 1, 2, 0, 2, 0, 1, 1, 2, 0, 7, 0, 0, 2, 1, 0, 2, 0, 2, 1, 0, 0, 4, 0, 0, 1, 2, 0, 5, 0, 1, 1, 0, 0, 6, 0, 0, 2, 1, 0, 2, 0, 2, 3]