A066958 - cp's OEIS frontend

A066958 Number of ordered primitive solutions (x,y,z) to xy + yz + zx = n with x,y,z >= 1.

n	a(n)
1	0
2	0
3	1
4	0
5	3
6	0
7	3
8	3
9	3
10	0
11	9
12	0
13	3
14	6
15	6
16	3
17	9
18	0
19	9
20	6
21	6
22	0
23	15
24	6
25	3
26	12
27	9
28	0
29	15
30	0
31	15
32	9
33	6
34	6
35	18
36	6
37	3
38	12
39	18
40	6
41	21
42	0
43	9
44	12
45	6
46	6
47	27
48	6
49	9
50	12
51	18
52	6
53	15
54	12
55	18
56	18
57	6
58	0
59	33
60	0
61	15
62	18
63	18
64	9
65	18
66	12
67	9
68	18
69	18
70	0
71	39
72	6
73	9
74	24
75	18
76	12
77	18
78	0
79	27
80	18
81	15
82	6
83	33
84	12
85	6
86	24
87	30

[0, 0, 1, 0, 3, 0, 3, 3, 3, 0, 9, 0, 3, 6, 6, 3, 9, 0, 9, 6, 6, 0, 15, 6, 3, 12, 9, 0, 15, 0, 15, 9, 6, 6, 18, 6, 3, 12, 18, 6, 21, 0, 9, 12, 6, 6, 27, 6, 9, 12, 18, 6, 15, 12, 18, 18, 6, 0, 33, 0, 15, 18, 18, 9, 18, 12, 9, 18, 18, 0, 39, 6, 9, 24, 18, 12, 18, 0, 27, 18, 15, 6, 33, 12, 6, 24, 30]

cp's OEIS Frontend

A066958 Number of ordered primitive solutions (x,y,z) to xy + yz + zx = n with x,y,z >= 1.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	3
6	0
7	3
8	3
9	3
10	0
11	9
12	0
13	3
14	6
15	6
16	3
17	9
18	0
19	9
20	6
21	6
22	0
23	15
24	6
25	3
26	12
27	9
28	0
29	15
30	0
31	15
32	9
33	6
34	6
35	18
36	6
37	3
38	12
39	18
40	6
41	21
42	0
43	9
44	12
45	6
46	6
47	27
48	6
49	9
50	12
51	18
52	6
53	15
54	12
55	18
56	18
57	6
58	0
59	33
60	0
61	15
62	18
63	18
64	9
65	18
66	12
67	9
68	18
69	18
70	0
71	39
72	6
73	9
74	24
75	18
76	12
77	18
78	0
79	27
80	18
81	15
82	6
83	33
84	12
85	6
86	24
87	30

n	a(n)
1	0
2	0
3	1
4	0
5	3
6	0
7	3
8	3
9	3
10	0
11	9
12	0
13	3
14	6
15	6
16	3
17	9
18	0
19	9
20	6
21	6
22	0
23	15
24	6
25	3
26	12
27	9
28	0
29	15
30	0
31	15
32	9
33	6
34	6
35	18
36	6
37	3
38	12
39	18
40	6
41	21
42	0
43	9
44	12
45	6
46	6
47	27
48	6
49	9
50	12
51	18
52	6
53	15
54	12
55	18
56	18
57	6
58	0
59	33
60	0
61	15
62	18
63	18
64	9
65	18
66	12
67	9
68	18
69	18
70	0
71	39
72	6
73	9
74	24
75	18
76	12
77	18
78	0
79	27
80	18
81	15
82	6
83	33
84	12
85	6
86	24
87	30

n	a(n)
1	0
2	0
3	1
4	0
5	3
6	0
7	3
8	3
9	3
10	0
11	9
12	0
13	3
14	6
15	6
16	3
17	9
18	0
19	9
20	6
21	6
22	0
23	15
24	6
25	3
26	12
27	9
28	0
29	15
30	0
31	15
32	9
33	6
34	6
35	18
36	6
37	3
38	12
39	18
40	6
41	21
42	0
43	9
44	12
45	6
46	6
47	27
48	6
49	9
50	12
51	18
52	6
53	15
54	12
55	18
56	18
57	6
58	0
59	33
60	0
61	15
62	18
63	18
64	9
65	18
66	12
67	9
68	18
69	18
70	0
71	39
72	6
73	9
74	24
75	18
76	12
77	18
78	0
79	27
80	18
81	15
82	6
83	33
84	12
85	6
86	24
87	30