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.

A260737 Sum of Hamming distances between binary representations of prime factors of n, summed over all nonordered pairs of primes present (with multiplicity) in the prime factorization of n.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 0
6 1
7 0
8 0
9 0
10 3
11 0
12 2
13 0
14 2
15 2
16 0
17 0
18 2
19 0
20 6
21 1
22 2
23 0
24 3
25 0
26 4
27 0
28 4
29 0
30 6
31 0
32 0
33 1
34 3
35 1
36 4
37 0
38 2
39 3
40 9
41 0
42 4
43 0
44 4
45 4
46 3
47 0
48 4
49 0
50 6
51 2
52 8
53 0
54 3
55 3
56 6
57 1
58 5
59 0
60 10
61 0
62 4
63 2
64 0
65 1
66 4
67 0
68 6
69 2
70 6
71 0
72 6
73 0
74 4
75 4
76 4
77 2
78 8
79 0
80 12
81 0
82 4
83 0
84 7
85 2
86 3
87 4
88 6
89 0
90 9
91 2
92 6
93 3
94 4
95 3
96 5
97 0
98 4
99 2
100 12
101 0
102 6
103 0
104 12
105 4
106 5
107 0
108 6
109 0
110 8
111 3
112 8
113 0
114 4
115 2
116 10
117 6
118 4
119 3
120 14

List of values

[0, 0, 0, 0, 0, 1, 0, 0, 0, 3, 0, 2, 0, 2, 2, 0, 0, 2, 0, 6, 1, 2, 0, 3, 0, 4, 0, 4, 0, 6, 0, 0, 1, 3, 1, 4, 0, 2, 3, 9, 0, 4, 0, 4, 4, 3, 0, 4, 0, 6, 2, 8, 0, 3, 3, 6, 1, 5, 0, 10, 0, 4, 2, 0, 1, 4, 0, 6, 2, 6, 0, 6, 0, 4, 4, 4, 2, 8, 0, 12, 0, 4, 0, 7, 2, 3, 4, 6, 0, 9, 2, 6, 3, 4, 3, 5, 0, 4, 2, 12, 0, 6, 0, 12, 4, 5, 0, 6, 0, 8, 3, 8, 0, 4, 2, 10, 6, 4, 3, 14]