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.

A373249 a(n) = A181819(n) / gcd(n, A181819(n)), where A181819(n) is the prime shadow of n.

Table of values

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

List of values

[1, 1, 2, 3, 2, 2, 2, 5, 1, 2, 2, 1, 2, 2, 4, 7, 2, 1, 2, 3, 4, 2, 2, 5, 3, 2, 5, 3, 2, 4, 2, 11, 4, 2, 4, 1, 2, 2, 4, 1, 2, 4, 2, 3, 2, 2, 2, 7, 3, 3, 4, 3, 2, 5, 4, 5, 4, 2, 2, 1, 2, 2, 2, 13, 4, 4, 2, 3, 4, 4, 2, 5, 2, 2, 2, 3, 4, 4, 2, 7, 7, 2, 2, 1, 4, 2, 4, 5, 2, 2, 4, 3, 4, 2, 4, 11, 2, 3, 2, 9, 2, 4, 2, 5, 8]