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.

A069226 a(n) = gcd(n, 2^n + 1).

Table of values

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

List of values

[2, 1, 1, 3, 1, 1, 1, 1, 1, 9, 5, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 27, 1, 1, 5, 1, 1, 3, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 9, 1, 1, 1, 1, 25, 3, 1, 1, 1, 11, 1, 3, 1, 1, 1, 1, 1, 9, 1, 1, 1, 1, 17, 3, 5, 1, 1, 1, 1, 3, 1, 1, 13, 1, 1, 81, 1, 1, 1, 1, 1, 3, 1, 1, 5, 1, 1, 3, 1, 1, 1, 1, 1, 9, 1]