A085599 - cp's OEIS frontend

A085599 Number of pairs of coprimes (n-i,n+i), 1

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

[0, 0, 1, 1, 2, 1, 3, 3, 3, 3, 5, 3, 6, 5, 4, 7, 8, 5, 9, 7, 6, 9, 11, 7, 10, 11, 9, 11, 14, 7, 15, 15, 10, 15, 12, 11, 18, 17, 12, 15, 20, 11, 21, 19, 12, 21, 23, 15, 21, 19, 16, 23, 26, 17, 20, 23, 18, 27, 29, 15, 30, 29, 18, 31, 24, 19, 33, 31, 22, 23, 35, 23, 36, 35, 20]

cp's OEIS Frontend

A085599 Number of pairs of coprimes (n-i,n+i), 1

Table of values

List of values

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

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

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