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.

A339899 a(n) = gcd(A019565(2n)-1, A000265(phi(A019565(2n)))).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 3
5 1
6 1
7 1
8 5
9 1
10 1
11 1
12 1
13 5
14 3
15 1
16 3
17 1
18 1
19 1
20 9
21 1
22 1
23 1
24 1
25 1
26 3
27 1
28 5
29 1
30 9
31 1
32 1
33 1
34 1
35 1
36 1
37 1
38 3
39 1
40 1
41 5
42 1
43 1
44 3
45 1
46 1
47 1
48 1
49 1
50 3
51 1
52 1
53 1
54 3
55 1
56 15
57 1
58 1
59 1
60 3
61 5
62 1
63 1
64 9
65 1
66 1
67 1
68 3
69 1
70 1
71 1
72 1
73 1
74 9
75 1
76 1
77 1
78 3
79 1
80 3
81 1
82 1
83 1
84 27
85 1
86 1
87 1
88 1
89 5
90 3
91 1
92 1
93 1
94 81
95 1
96 1
97 1
98 3
99 1
100 1
101 1
102 9
103 1
104 3
105 1

List of values

[1, 1, 1, 1, 3, 1, 1, 1, 5, 1, 1, 1, 1, 5, 3, 1, 3, 1, 1, 1, 9, 1, 1, 1, 1, 1, 3, 1, 5, 1, 9, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 5, 1, 1, 3, 1, 1, 1, 1, 1, 3, 1, 1, 1, 3, 1, 15, 1, 1, 1, 3, 5, 1, 1, 9, 1, 1, 1, 3, 1, 1, 1, 1, 1, 9, 1, 1, 1, 3, 1, 3, 1, 1, 1, 27, 1, 1, 1, 1, 5, 3, 1, 1, 1, 81, 1, 1, 1, 3, 1, 1, 1, 9, 1, 3, 1]