A319516 - cp's OEIS frontend

A319516 Number of integers x such that 1 <= x <= n and gcd(x,n) = gcd(x+2,n) = gcd(x+6,n) = gcd(x+8,n) = 1.

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

[1, 1, 1, 2, 1, 1, 3, 4, 3, 1, 7, 2, 9, 3, 1, 8, 13, 3, 15, 2, 3, 7, 19, 4, 5, 9, 9, 6, 25, 1, 27, 16, 7, 13, 3, 6, 33, 15, 9, 4, 37, 3, 39, 14, 3, 19, 43, 8, 21, 5, 13, 18, 49, 9, 7, 12, 15, 25, 55, 2, 57, 27, 9, 32, 9, 7, 63, 26, 19, 3, 67, 12, 69, 33, 5, 30, 21, 9, 75, 8]

cp's OEIS Frontend

A319516 Number of integers x such that 1 <= x <= n and gcd(x,n) = gcd(x+2,n) = gcd(x+6,n) = gcd(x+8,n) = 1.

Table of values

List of values

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

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

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