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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.

A365791 a(n) = number of k <= b(n) such that rad(k) = rad(b(n)), where rad(n) = A007947(n) and b(n) = A126706(n).

Table of values

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

List of values

[2, 3, 2, 4, 2, 5, 3, 2, 2, 6, 4, 2, 7, 3, 2, 2, 2, 8, 3, 2, 5, 2, 3, 3, 2, 9, 4, 2, 6, 3, 10, 5, 2, 2, 4, 2, 3, 2, 4, 3, 2, 11, 3, 2, 5, 3, 2, 2, 7, 12, 2, 4, 2, 2, 2, 4, 6, 3, 2, 4, 13, 6, 3, 8, 2, 2, 4, 2, 14, 2, 7, 5, 2, 3, 3, 2, 7, 5, 2, 3, 3, 9, 5, 2, 2, 4]

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