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.

A067513 Number of divisors d of n such that d+1 is prime.

Table of values

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

List of values

[1, 2, 1, 3, 1, 3, 1, 3, 1, 3, 1, 5, 1, 2, 1, 4, 1, 4, 1, 4, 1, 3, 1, 5, 1, 2, 1, 4, 1, 5, 1, 4, 1, 2, 1, 7, 1, 2, 1, 5, 1, 4, 1, 4, 1, 3, 1, 6, 1, 3, 1, 4, 1, 4, 1, 4, 1, 3, 1, 8, 1, 2, 1, 4, 1, 5, 1, 3, 1, 4, 1, 8, 1, 2, 1, 3, 1, 4, 1, 6, 1, 3, 1, 7, 1, 2, 1, 5, 1, 6, 1, 4, 1, 2, 1, 7, 1, 2, 1, 5, 1, 4, 1]