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.

A067666 Sum of squares of prime factors of n (counted with multiplicity).

Table of values

n a(n)
1 0
2 4
3 9
4 8
5 25
6 13
7 49
8 12
9 18
10 29
11 121
12 17
13 169
14 53
15 34
16 16
17 289
18 22
19 361
20 33
21 58
22 125
23 529
24 21
25 50
26 173
27 27
28 57
29 841
30 38
31 961
32 20
33 130
34 293
35 74
36 26
37 1369
38 365
39 178
40 37
41 1681
42 62
43 1849
44 129
45 43
46 533
47 2209
48 25
49 98
50 54
51 298
52 177
53 2809
54 31
55 146
56 61
57 370
58 845
59 3481

List of values

[0, 4, 9, 8, 25, 13, 49, 12, 18, 29, 121, 17, 169, 53, 34, 16, 289, 22, 361, 33, 58, 125, 529, 21, 50, 173, 27, 57, 841, 38, 961, 20, 130, 293, 74, 26, 1369, 365, 178, 37, 1681, 62, 1849, 129, 43, 533, 2209, 25, 98, 54, 298, 177, 2809, 31, 146, 61, 370, 845, 3481]