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.

A072860 Highest power of 3 dividing the period length of 1/prime(n) = A002371(n).

Table of values

n a(n)
1 0
2 1
3 0
4 3
5 1
6 3
7 1
8 9
9 1
10 1
11 3
12 3
13 1
14 3
15 1
16 1
17 1
18 3
19 3
20 1
21 1
22 1
23 1
24 1
25 3
26 1
27 1
28 1
29 27
30 1
31 3
32 1
33 1
34 1
35 1
36 3
37 3
38 81
39 1
40 1
41 1
42 9
43 1
44 3
45 1
46 9
47 3
48 3
49 1
50 3
51 1
52 1
53 3
54 1
55 1
56 1
57 1
58 1
59 3
60 1
61 3
62 1
63 9
64 1
65 3
66 1
67 1
68 3
69 1
70 1
71 1
72 1
73 3
74 3
75 27
76 1
77 1
78 9
79 1
80 3
81 1
82 1
83 1
84 27
85 3
86 1
87 1
88 1
89 1
90 1
91 1
92 1
93 243
94 1
95 3
96 1
97 1
98 1
99 9
100 27

List of values

[0, 1, 0, 3, 1, 3, 1, 9, 1, 1, 3, 3, 1, 3, 1, 1, 1, 3, 3, 1, 1, 1, 1, 1, 3, 1, 1, 1, 27, 1, 3, 1, 1, 1, 1, 3, 3, 81, 1, 1, 1, 9, 1, 3, 1, 9, 3, 3, 1, 3, 1, 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 9, 1, 3, 1, 1, 3, 1, 1, 1, 1, 3, 3, 27, 1, 1, 9, 1, 3, 1, 1, 1, 27, 3, 1, 1, 1, 1, 1, 1, 1, 243, 1, 3, 1, 1, 1, 9, 27]