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.

A106252 Number of positive integer triples (x,y,z), with x<=y<=z<=n, such that each of x,y and z divides the sum of the other two.

Table of values

n a(n)
1 1
2 3
3 5
4 7
5 8
6 11
7 12
8 14
9 16
10 18
11 19
12 22
13 23
14 25
15 27
16 29
17 30
18 33
19 34
20 36
21 38
22 40
23 41
24 44
25 45
26 47
27 49
28 51
29 52
30 55
31 56
32 58
33 60
34 62
35 63
36 66
37 67
38 69
39 71
40 73
41 74
42 77
43 78
44 80
45 82
46 84
47 85
48 88
49 89
50 91
51 93
52 95
53 96
54 99
55 100
56 102
57 104
58 106
59 107
60 110
61 111
62 113
63 115
64 117
65 118
66 121
67 122

List of values

[1, 3, 5, 7, 8, 11, 12, 14, 16, 18, 19, 22, 23, 25, 27, 29, 30, 33, 34, 36, 38, 40, 41, 44, 45, 47, 49, 51, 52, 55, 56, 58, 60, 62, 63, 66, 67, 69, 71, 73, 74, 77, 78, 80, 82, 84, 85, 88, 89, 91, 93, 95, 96, 99, 100, 102, 104, 106, 107, 110, 111, 113, 115, 117, 118, 121, 122]