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.

A325636 a(n) = gcd(2n, sigma(n)).

Table of values

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

List of values

[1, 1, 2, 1, 2, 12, 2, 1, 1, 2, 2, 4, 2, 4, 6, 1, 2, 3, 2, 2, 2, 4, 2, 12, 1, 2, 2, 56, 2, 12, 2, 1, 6, 2, 2, 1, 2, 4, 2, 10, 2, 12, 2, 4, 6, 4, 2, 4, 1, 1, 6, 2, 2, 12, 2, 8, 2, 2, 2, 24, 2, 4, 2, 1, 2, 12, 2, 2, 6, 4, 2, 3, 2, 2, 2, 4, 2, 12, 2, 2, 1, 2, 2, 56, 2, 4, 6, 4, 2, 18, 14, 8, 2, 4, 10, 12, 2, 1, 6, 1, 2, 12, 2, 2, 6]