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.

A325121 Sum of binary digits of the prime indices of n.

Table of values

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

List of values

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