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.

A070242 a(n) = Card( k>0 : sigma(k)=sigma(n) ).

Table of values

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

List of values

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