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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.

A067751 Number of solutions in nonnegative integers of x*y+x*z+y*z = n.

Table of values

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

List of values

[3, 6, 7, 9, 9, 12, 9, 15, 12, 12, 15, 19, 9, 18, 18, 18, 15, 18, 15, 27, 18, 12, 21, 30, 12, 24, 22, 21, 21, 24, 21, 30, 18, 18, 30, 36, 9, 24, 30, 30, 27, 24, 15, 39, 27, 18, 33, 37, 18, 30, 30, 27, 21, 36, 30, 48, 18, 12, 39, 42, 21, 30, 39, 33, 30, 36, 15, 45, 30, 24, 45, 45, 15]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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