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.

A240226 4-adic value of 1/n, n >= 1.

Table of values

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

List of values

[1, 4, 1, 4, 1, 4, 1, 16, 1, 4, 1, 4, 1, 4, 1, 16, 1, 4, 1, 4, 1, 4, 1, 16, 1, 4, 1, 4, 1, 4, 1, 64, 1, 4, 1, 4, 1, 4, 1, 16, 1, 4, 1, 4, 1, 4, 1, 16, 1, 4, 1, 4, 1, 4, 1, 16, 1, 4, 1, 4, 1, 4, 1, 64, 1, 4, 1, 4, 1, 4, 1, 16, 1, 4, 1, 4, 1, 4, 1, 16, 1, 4, 1, 4, 1, 4, 1, 16, 1, 4]