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.

A072056 Number of divisors of 2*prime(n)+1.

Table of values

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

List of values

[2, 2, 2, 4, 2, 4, 4, 4, 2, 2, 6, 6, 2, 4, 4, 2, 4, 4, 8, 4, 6, 4, 2, 2, 8, 4, 6, 4, 4, 2, 8, 2, 6, 6, 4, 4, 12, 4, 4, 2, 2, 6, 2, 6, 4, 8, 6, 4, 8, 8, 2, 2, 8, 2, 4, 4, 6, 4, 8, 2, 10, 2, 8, 4, 8, 4, 8, 12, 4, 4, 4, 2, 12, 6, 8, 4, 4, 8, 4, 12, 2, 4, 2, 6, 4, 2, 4, 8, 4, 6, 8, 4, 12]