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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.

A347156 Sum of squares of distinct prime divisors of n that are < sqrt(n).

Table of values

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

List of values

[0, 0, 0, 0, 0, 4, 0, 4, 0, 4, 0, 13, 0, 4, 9, 4, 0, 13, 0, 4, 9, 4, 0, 13, 0, 4, 9, 4, 0, 38, 0, 4, 9, 4, 25, 13, 0, 4, 9, 29, 0, 13, 0, 4, 34, 4, 0, 13, 0, 29, 9, 4, 0, 13, 25, 53, 9, 4, 0, 38, 0, 4, 58, 4, 25, 13, 0, 4, 9, 78, 0, 13, 0, 4, 34, 4, 49, 13, 0, 29]

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