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.

A245908 The number of distinct prime factors of prime(n)^2-1.

Table of values

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

List of values

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