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.

A368542 The number of divisors of n whose prime factors are all Mersenne primes (A000668).

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 1
6 2
7 2
8 1
9 3
10 1
11 1
12 2
13 1
14 2
15 2
16 1
17 1
18 3
19 1
20 1
21 4
22 1
23 1
24 2
25 1
26 1
27 4
28 2
29 1
30 2
31 2
32 1
33 2
34 1
35 2
36 3
37 1
38 1
39 2
40 1
41 1
42 4
43 1
44 1
45 3
46 1
47 1
48 2
49 3
50 1
51 2
52 1
53 1
54 4
55 1
56 2
57 2
58 1
59 1
60 2
61 1
62 2
63 6
64 1
65 1
66 2
67 1
68 1
69 2
70 2
71 1
72 3
73 1
74 1
75 2
76 1
77 2
78 2
79 1
80 1
81 5
82 1
83 1
84 4
85 1
86 1
87 2
88 1
89 1
90 3
91 2
92 1
93 4
94 1
95 1
96 2
97 1
98 3
99 3
100 1
101 1
102 2
103 1
104 1
105 4
106 1
107 1
108 4
109 1
110 1
111 2
112 2
113 1
114 2
115 1
116 1
117 3
118 1
119 2
120 2
121 1
122 1
123 2
124 2
125 1
126 6

List of values

[1, 1, 2, 1, 1, 2, 2, 1, 3, 1, 1, 2, 1, 2, 2, 1, 1, 3, 1, 1, 4, 1, 1, 2, 1, 1, 4, 2, 1, 2, 2, 1, 2, 1, 2, 3, 1, 1, 2, 1, 1, 4, 1, 1, 3, 1, 1, 2, 3, 1, 2, 1, 1, 4, 1, 2, 2, 1, 1, 2, 1, 2, 6, 1, 1, 2, 1, 1, 2, 2, 1, 3, 1, 1, 2, 1, 2, 2, 1, 1, 5, 1, 1, 4, 1, 1, 2, 1, 1, 3, 2, 1, 4, 1, 1, 2, 1, 3, 3, 1, 1, 2, 1, 1, 4, 1, 1, 4, 1, 1, 2, 2, 1, 2, 1, 1, 3, 1, 2, 2, 1, 1, 2, 2, 1, 6]