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.

A372428 Sum of binary indices of n minus sum of prime indices of n.

Table of values

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

List of values

[1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 3, 2, 4, 5, 1, -1, 2, 0, 3, 3, 4, 2, 4, 4, 4, 6, 6, 3, 8, 4, 1, 0, 0, 2, 3, -2, 2, 4, 4, -2, 5, -1, 6, 7, 5, 1, 5, 4, 6, 5, 6, -1, 9, 9, 8, 6, 6, 1, 11, 1, 8, 13, 1, -1, 1, -9, 1, 0, 4, -7, 4, -9, 0, 6, 4, 6, 7, -5, 5, 5, 0, -8]