A079247 - cp's OEIS frontend

A079247 Number of pairs (p,q), 0 <= p < q, such that p+q divides n.

n	a(n)
1	1
2	2
3	3
4	4
5	4
6	7
7	5
8	8
9	8
10	10
11	7
12	15
13	8
14	13
15	14
16	16
17	10
18	21
19	11
20	22
21	18
22	19
23	13
24	31
25	17
26	22
27	22
28	29
29	16
30	38
31	17
32	32
33	26
34	28
35	26
36	47
37	20
38	31
39	30
40	46
41	22
42	50
43	23
44	43
45	42
46	37
47	25
48	63
49	30
50	48
51	38
52	50
53	28
54	62
55	38
56	61
57	42
58	46
59	31
60	86
61	32
62	49
63	55
64	64
65	44
66	74
67	35
68	64
69	50
70	74
71	37
72	99
73	38

[1, 2, 3, 4, 4, 7, 5, 8, 8, 10, 7, 15, 8, 13, 14, 16, 10, 21, 11, 22, 18, 19, 13, 31, 17, 22, 22, 29, 16, 38, 17, 32, 26, 28, 26, 47, 20, 31, 30, 46, 22, 50, 23, 43, 42, 37, 25, 63, 30, 48, 38, 50, 28, 62, 38, 61, 42, 46, 31, 86, 32, 49, 55, 64, 44, 74, 35, 64, 50, 74, 37, 99, 38]

cp's OEIS Frontend

A079247 Number of pairs (p,q), 0 <= p < q, such that p+q divides n.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	4
6	7
7	5
8	8
9	8
10	10
11	7
12	15
13	8
14	13
15	14
16	16
17	10
18	21
19	11
20	22
21	18
22	19
23	13
24	31
25	17
26	22
27	22
28	29
29	16
30	38
31	17
32	32
33	26
34	28
35	26
36	47
37	20
38	31
39	30
40	46
41	22
42	50
43	23
44	43
45	42
46	37
47	25
48	63
49	30
50	48
51	38
52	50
53	28
54	62
55	38
56	61
57	42
58	46
59	31
60	86
61	32
62	49
63	55
64	64
65	44
66	74
67	35
68	64
69	50
70	74
71	37
72	99
73	38

n	a(n)
1	1
2	2
3	3
4	4
5	4
6	7
7	5
8	8
9	8
10	10
11	7
12	15
13	8
14	13
15	14
16	16
17	10
18	21
19	11
20	22
21	18
22	19
23	13
24	31
25	17
26	22
27	22
28	29
29	16
30	38
31	17
32	32
33	26
34	28
35	26
36	47
37	20
38	31
39	30
40	46
41	22
42	50
43	23
44	43
45	42
46	37
47	25
48	63
49	30
50	48
51	38
52	50
53	28
54	62
55	38
56	61
57	42
58	46
59	31
60	86
61	32
62	49
63	55
64	64
65	44
66	74
67	35
68	64
69	50
70	74
71	37
72	99
73	38

n	a(n)
1	1
2	2
3	3
4	4
5	4
6	7
7	5
8	8
9	8
10	10
11	7
12	15
13	8
14	13
15	14
16	16
17	10
18	21
19	11
20	22
21	18
22	19
23	13
24	31
25	17
26	22
27	22
28	29
29	16
30	38
31	17
32	32
33	26
34	28
35	26
36	47
37	20
38	31
39	30
40	46
41	22
42	50
43	23
44	43
45	42
46	37
47	25
48	63
49	30
50	48
51	38
52	50
53	28
54	62
55	38
56	61
57	42
58	46
59	31
60	86
61	32
62	49
63	55
64	64
65	44
66	74
67	35
68	64
69	50
70	74
71	37
72	99
73	38