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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.

A338945 Lengths of Cunningham chains of the first kind that are sorted by first prime in the chain.

Table of values

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

List of values

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