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.

A147300 a(n) = smallest value of parameter m such that the function rad(m*n*(n - m)) has minimal value n=2,3,4,..., 0 < m < n where the function rad(k) (also called radical(k)) is the product of distinct prime divisors of k.

Table of values

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

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 7, 1, 1, 1, 2, 1, 2, 1, 4, 5, 1, 9, 3, 1, 1, 11, 7, 1, 9, 1, 16, 1, 1, 1, 2, 1, 1, 1, 1, 25, 4, 5, 1, 1, 25, 9, 27, 1, 1, 1, 1, 1, 1, 1, 3, 1, 5, 1, 7, 1, 1, 25, 11, 1, 13, 1, 4, 1, 1, 1, 2, 1, 4, 5, 23, 7, 8, 1, 27, 11, 1, 13, 14, 1, 1, 17, 1, 1]