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.

A340081 a(n) = gcd(n-1, A003958(n)).

Table of values

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

List of values

[1, 1, 2, 1, 4, 1, 6, 1, 4, 1, 10, 1, 12, 1, 2, 1, 16, 1, 18, 1, 4, 1, 22, 1, 8, 1, 2, 3, 28, 1, 30, 1, 4, 1, 2, 1, 36, 1, 2, 1, 40, 1, 42, 1, 4, 1, 46, 1, 12, 1, 2, 3, 52, 1, 2, 1, 4, 1, 58, 1, 60, 1, 2, 1, 16, 5, 66, 1, 4, 3, 70, 1, 72, 1, 2, 3, 4, 1, 78, 1, 16, 1, 82, 1, 4, 1, 2, 1, 88, 1, 18, 1, 4, 1, 2, 1, 96, 1, 2, 1, 100]