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.

A109008 a(n) = gcd(n,4).

Table of values

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

List of values

[4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4]