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.

A375039 The maximum exponent in the prime factorization of 2*n-1.

Table of values

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

List of values

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