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.

A325807 Number of ways to partition the divisors of n into complementary subsets x and y for which gcd(n-Sum(x), n-Sum(y)) = 1. (Here only distinct unordered pairs of such subsets are counted.)

Table of values

n a(n)
1 1
2 2
3 1
4 4
5 1
6 1
7 1
8 8
9 3
10 4
11 1
12 16
13 1
14 4
15 2
16 16
17 1
18 16
19 1
20 16
21 4
22 4
23 1
24 40
25 3
26 3
27 4
28 1
29 1
30 40
31 1
32 32
33 2
34 4
35 4
36 244
37 1
38 4
39 4
40 48
41 1
42 40
43 1
44 16
45 8
46 3
47 1
48 220
49 3
50 27
51 2
52 10
53 1
54 32
55 4
56 64
57 4
58 4
59 1
60 672
61 1
62 4
63 14
64 64
65 4
66 40
67 1
68 13
69 2
70 64
71 1
72 1205
73 1
74 4
75 16
76 10
77 4
78 40
79 1
80 236
81 15
82 4
83 1
84 864
85 4
86 3
87 2
88 64
89 1
90 640
91 2
92 16
93 4
94 4
95 2
96 537
97 1
98 26
99 8
100 241
101 1
102 40
103 1
104 64
105 40

List of values

[1, 2, 1, 4, 1, 1, 1, 8, 3, 4, 1, 16, 1, 4, 2, 16, 1, 16, 1, 16, 4, 4, 1, 40, 3, 3, 4, 1, 1, 40, 1, 32, 2, 4, 4, 244, 1, 4, 4, 48, 1, 40, 1, 16, 8, 3, 1, 220, 3, 27, 2, 10, 1, 32, 4, 64, 4, 4, 1, 672, 1, 4, 14, 64, 4, 40, 1, 13, 2, 64, 1, 1205, 1, 4, 16, 10, 4, 40, 1, 236, 15, 4, 1, 864, 4, 3, 2, 64, 1, 640, 2, 16, 4, 4, 2, 537, 1, 26, 8, 241, 1, 40, 1, 64, 40]