A045763 - cp's OEIS frontend

A045763 Number of numbers "unrelated to n": m < n such that m is neither a divisor of n nor relatively prime to n.

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

[0, 0, 0, 0, 0, 1, 0, 1, 1, 3, 0, 3, 0, 5, 4, 4, 0, 7, 0, 7, 6, 9, 0, 9, 3, 11, 6, 11, 0, 15, 0, 11, 10, 15, 8, 16, 0, 17, 12, 17, 0, 23, 0, 19, 16, 21, 0, 23, 5, 25, 16, 23, 0, 29, 12, 25, 18, 27, 0, 33, 0, 29, 22, 26, 14, 39, 0, 31, 22, 39, 0, 37, 0, 35, 30, 35, 14, 47, 0, 39, 23, 39, 0, 49]

cp's OEIS Frontend

A045763 Number of numbers "unrelated to n": m < n such that m is neither a divisor of n nor relatively prime to n.

Table of values

List of values

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

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

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