A117371 - cp's OEIS frontend

A117371 Number of primes between smallest prime divisor of n and largest prime divisor of n that are coprime to n (not factors of n).

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	1
11	0
12	0
13	0
14	2
15	0
16	0
17	0
18	0
19	0
20	1
21	1
22	3
23	0
24	0
25	0
26	4
27	0
28	2
29	0
30	0
31	0
32	0
33	2
34	5
35	0
36	0
37	0
38	6
39	3
40	1
41	0
42	1
43	0
44	3
45	0
46	7
47	0
48	0
49	0
50	1
51	4
52	4
53	0
54	0
55	1
56	2
57	5
58	8
59	0
60	0
61	0
62	9
63	1
64	0
65	2
66	2
67	0
68	5
69	6
70	1
71	0
72	0
73	0
74	10
75	0
76	6
77	0
78	3
79	0
80	1
81	0
82	11
83	0
84	1
85	3
86	12
87	7
88	3
89	0
90	0
91	1
92	7
93	8
94	13
95	4
96	0
97	0
98	2
99	2
100	1
101	0
102	4
103	0

[0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 0, 0, 1, 1, 3, 0, 0, 0, 4, 0, 2, 0, 0, 0, 0, 2, 5, 0, 0, 0, 6, 3, 1, 0, 1, 0, 3, 0, 7, 0, 0, 0, 1, 4, 4, 0, 0, 1, 2, 5, 8, 0, 0, 0, 9, 1, 0, 2, 2, 0, 5, 6, 1, 0, 0, 0, 10, 0, 6, 0, 3, 0, 1, 0, 11, 0, 1, 3, 12, 7, 3, 0, 0, 1, 7, 8, 13, 4, 0, 0, 2, 2, 1, 0, 4, 0]

cp's OEIS Frontend

A117371 Number of primes between smallest prime divisor of n and largest prime divisor of n that are coprime to n (not factors of n).

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	1
11	0
12	0
13	0
14	2
15	0
16	0
17	0
18	0
19	0
20	1
21	1
22	3
23	0
24	0
25	0
26	4
27	0
28	2
29	0
30	0
31	0
32	0
33	2
34	5
35	0
36	0
37	0
38	6
39	3
40	1
41	0
42	1
43	0
44	3
45	0
46	7
47	0
48	0
49	0
50	1
51	4
52	4
53	0
54	0
55	1
56	2
57	5
58	8
59	0
60	0
61	0
62	9
63	1
64	0
65	2
66	2
67	0
68	5
69	6
70	1
71	0
72	0
73	0
74	10
75	0
76	6
77	0
78	3
79	0
80	1
81	0
82	11
83	0
84	1
85	3
86	12
87	7
88	3
89	0
90	0
91	1
92	7
93	8
94	13
95	4
96	0
97	0
98	2
99	2
100	1
101	0
102	4
103	0

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	1
11	0
12	0
13	0
14	2
15	0
16	0
17	0
18	0
19	0
20	1
21	1
22	3
23	0
24	0
25	0
26	4
27	0
28	2
29	0
30	0
31	0
32	0
33	2
34	5
35	0
36	0
37	0
38	6
39	3
40	1
41	0
42	1
43	0
44	3
45	0
46	7
47	0
48	0
49	0
50	1
51	4
52	4
53	0
54	0
55	1
56	2
57	5
58	8
59	0
60	0
61	0
62	9
63	1
64	0
65	2
66	2
67	0
68	5
69	6
70	1
71	0
72	0
73	0
74	10
75	0
76	6
77	0
78	3
79	0
80	1
81	0
82	11
83	0
84	1
85	3
86	12
87	7
88	3
89	0
90	0
91	1
92	7
93	8
94	13
95	4
96	0
97	0
98	2
99	2
100	1
101	0
102	4
103	0

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	1
11	0
12	0
13	0
14	2
15	0
16	0
17	0
18	0
19	0
20	1
21	1
22	3
23	0
24	0
25	0
26	4
27	0
28	2
29	0
30	0
31	0
32	0
33	2
34	5
35	0
36	0
37	0
38	6
39	3
40	1
41	0
42	1
43	0
44	3
45	0
46	7
47	0
48	0
49	0
50	1
51	4
52	4
53	0
54	0
55	1
56	2
57	5
58	8
59	0
60	0
61	0
62	9
63	1
64	0
65	2
66	2
67	0
68	5
69	6
70	1
71	0
72	0
73	0
74	10
75	0
76	6
77	0
78	3
79	0
80	1
81	0
82	11
83	0
84	1
85	3
86	12
87	7
88	3
89	0
90	0
91	1
92	7
93	8
94	13
95	4
96	0
97	0
98	2
99	2
100	1
101	0
102	4
103	0