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.

A331180 Number of values of k, 1 <= k <= n, with A323910(k) = A323910(n), where A323910 is Dirichlet inverse of deficiency of n.

Table of values

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

List of values

[1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 3, 1, 2, 1, 2, 1, 1, 1, 2, 1, 2, 2, 3, 1, 2, 1, 4, 1, 1, 1, 3, 1, 1, 2, 4, 1, 1, 1, 4, 5, 1, 1, 2, 1, 3, 1, 5, 1, 5, 1, 6, 1, 1, 1, 6, 1, 1, 2, 6, 1, 2, 1, 7, 1, 3, 1, 2, 1, 2, 8, 9, 1, 1, 1, 3, 2, 2, 1, 3, 1, 1, 1, 7, 1, 10, 1, 11, 2, 1, 2, 1, 1, 2, 2, 7, 1, 1, 1, 8, 2]