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.

A049586 a(n) is the GCD of the cototients (A051953) of n and n+1.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 3
9 1
10 1
11 1
12 1
13 1
14 1
15 1
16 1
17 1
18 1
19 3
20 3
21 1
22 1
23 1
24 1
25 1
26 1
27 1
28 1
29 1
30 1
31 1
32 1
33 1
34 1
35 1
36 1
37 5
38 3
39 1
40 1
41 1
42 1
43 3
44 3
45 1
46 1
47 1
48 1
49 1
50 1
51 1
52 1
53 3
54 1
55 1
56 3
57 1
58 1
59 1
60 1
61 1
62 1
63 1
64 1
65 1
66 1
67 1
68 1
69 1
70 1
71 1
72 1
73 1
74 5
75 1
76 1
77 1
78 1
79 3
80 3
81 1
82 1
83 3
84 1
85 1
86 1
87 1
88 1
89 1
90 1
91 3
92 3
93 1
94 1
95 1
96 1
97 1
98 3
99 1
100 1
101 1
102 1
103 1
104 3

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 3, 1, 1, 1, 1, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 3, 3, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 3, 3, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 3]