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.

A171435 Product of odd prime factors < n, with multiplicity.

Table of values

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

List of values

[1, 1, 1, 1, 1, 3, 1, 1, 9, 5, 1, 3, 1, 7, 15, 1, 1, 9, 1, 5, 21, 11, 1, 3, 25, 13, 27, 7, 1, 15, 1, 1, 33, 17, 35, 9, 1, 19, 39, 5, 1, 21, 1, 11, 45, 23, 1, 3, 49, 25, 51, 13, 1, 27, 55, 7, 57, 29, 1, 15, 1, 31, 63, 1, 65, 33, 1, 17, 69, 35, 1, 9, 1, 37, 75, 19, 77, 39, 1, 5, 81, 41, 1, 21, 85]