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.

A098219 a(n) = floor(sigma(sigma(n))/n) = floor(A051027(n)/n).

Table of values

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

List of values

[1, 2, 2, 2, 2, 4, 2, 3, 1, 3, 2, 4, 1, 4, 4, 2, 2, 3, 2, 4, 3, 4, 2, 7, 1, 3, 3, 4, 2, 6, 2, 3, 3, 3, 3, 3, 1, 4, 3, 5, 2, 6, 1, 5, 3, 4, 2, 4, 1, 2, 3, 3, 2, 6, 3, 6, 3, 4, 2, 8, 1, 4, 3, 2, 3, 6, 1, 4, 3, 5, 2, 4, 1, 3, 2, 4, 3, 6, 2, 4, 1, 3, 2, 6, 3, 3, 4, 6, 2, 6, 2, 5, 2, 4, 3, 7, 1, 2, 3, 2, 2, 5, 2, 5, 4]