A079055 - cp's OEIS frontend

A079055 Numbers of prime pairs (p,q), p<=q, such that (p+q) divides n.

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

[0, 0, 0, 1, 1, 1, 1, 2, 1, 3, 0, 3, 1, 3, 2, 4, 0, 4, 1, 6, 2, 3, 0, 7, 2, 4, 1, 6, 0, 8, 1, 6, 1, 4, 2, 10, 0, 3, 2, 10, 0, 9, 1, 7, 4, 4, 0, 14, 2, 8, 0, 8, 0, 9, 2, 10, 1, 4, 0, 18, 1, 4, 4, 11, 2, 11, 0, 7, 1, 11, 0, 20, 1, 5, 4, 9, 1, 13, 0, 16, 2, 5, 0, 21, 2, 6, 0, 12, 0, 21, 3, 9, 1, 5, 2, 23, 0, 7]

cp's OEIS Frontend

A079055 Numbers of prime pairs (p,q), p<=q, such that (p+q) divides n.

Table of values

List of values

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

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

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