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.

A125168 a(n) = gcd(n, A032741(n)) where A032741(n) is the number of proper divisors of n.

Table of values

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

List of values

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