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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.

A380955 Sum of prime indices of n (with multiplicity) minus sum of distinct prime indices of n.

Table of values

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

List of values

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

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