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.

A078570 Number of distinct prime factors of the average of n-th twin prime pair.

Table of values

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

List of values

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