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.

A023582 Number of distinct prime divisors of 2*prime(n)-1.

Table of values

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

List of values

[1, 1, 1, 1, 2, 1, 2, 1, 2, 2, 1, 1, 1, 2, 2, 3, 2, 1, 2, 2, 2, 1, 3, 2, 1, 2, 2, 2, 2, 2, 2, 2, 3, 1, 2, 2, 1, 2, 2, 3, 3, 1, 2, 3, 2, 1, 1, 2, 2, 1, 3, 2, 2, 2, 2, 3, 2, 1, 2, 3, 2, 3, 1, 2, 1, 2, 1, 1, 3, 2, 3, 2, 1, 2, 1, 3, 3, 2, 2, 2, 2, 1, 3, 2, 1, 3, 3, 2, 2, 2, 2, 3, 2, 2, 1, 3, 2, 2, 3]