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.

A181697 Length of the complete Cunningham chain of the first kind starting with prime(n).

Table of values

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

List of values

[5, 2, 4, 1, 3, 1, 1, 1, 2, 2, 1, 1, 3, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 6, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 5, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 2, 1, 1]