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.

A053574 Exponent of 2 in phi(n) where phi(n) = A000010(n).

Table of values

n a(n)
1 0
2 0
3 1
4 1
5 2
6 1
7 1
8 2
9 1
10 2
11 1
12 2
13 2
14 1
15 3
16 3
17 4
18 1
19 1
20 3
21 2
22 1
23 1
24 3
25 2
26 2
27 1
28 2
29 2
30 3
31 1
32 4
33 2
34 4
35 3
36 2
37 2
38 1
39 3
40 4
41 3
42 2
43 1
44 2
45 3
46 1
47 1
48 4
49 1
50 2
51 5
52 3
53 2
54 1
55 3
56 3
57 2
58 2
59 1
60 4
61 2
62 1
63 2
64 5
65 4
66 2
67 1
68 5
69 2
70 3
71 1
72 3
73 3
74 2
75 3
76 2
77 2
78 3
79 1
80 5
81 1
82 3
83 1
84 3
85 6
86 1
87 3
88 3
89 3
90 3
91 3
92 2
93 2
94 1
95 3
96 5
97 5
98 1
99 2
100 3
101 2
102 5
103 1
104 4
105 4
106 2
107 1
108 2
109 2
110 3
111 3
112 4
113 4
114 2
115 3
116 3
117 3
118 1
119 5
120 5

List of values

[0, 0, 1, 1, 2, 1, 1, 2, 1, 2, 1, 2, 2, 1, 3, 3, 4, 1, 1, 3, 2, 1, 1, 3, 2, 2, 1, 2, 2, 3, 1, 4, 2, 4, 3, 2, 2, 1, 3, 4, 3, 2, 1, 2, 3, 1, 1, 4, 1, 2, 5, 3, 2, 1, 3, 3, 2, 2, 1, 4, 2, 1, 2, 5, 4, 2, 1, 5, 2, 3, 1, 3, 3, 2, 3, 2, 2, 3, 1, 5, 1, 3, 1, 3, 6, 1, 3, 3, 3, 3, 3, 2, 2, 1, 3, 5, 5, 1, 2, 3, 2, 5, 1, 4, 4, 2, 1, 2, 2, 3, 3, 4, 4, 2, 3, 3, 3, 1, 5, 5]