A116992 - cp's OEIS frontend

A116992 Number of primes < (highest prime dividing any composite between the n-th and (n+1)th prime) that are coprime to every composite between the n-th and (n+1)th prime.

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

[0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 3, 1, 4, 1, 3, 0, 4, 3, 0, 4, 9, 6, 6, 0, 4, 10, 0, 6, 4, 9, 11, 6, 10, 0, 2, 15, 17, 6, 16, 0, 5, 0, 19, 2, 13, 14, 25, 5, 3, 13, 0, 12, 23, 23, 15, 0, 24, 28, 12, 12, 20, 20, 3, 31, 22, 31, 27, 7, 0, 32, 32, 7, 6, 37, 36, 34, 40, 14, 20, 0, 33, 0, 19, 0, 40]

cp's OEIS Frontend

A116992 Number of primes < (highest prime dividing any composite between the n-th and (n+1)th prime) that are coprime to every composite between the n-th and (n+1)th prime.

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	1
10	0
11	1
12	3
13	1
14	4
15	1
16	3
17	0
18	4
19	3
20	0
21	4
22	9
23	6
24	6
25	0
26	4
27	10
28	0
29	6
30	4
31	9
32	11
33	6
34	10
35	0
36	2
37	15
38	17
39	6
40	16
41	0
42	5
43	0
44	19
45	2
46	13
47	14
48	25
49	5
50	3
51	13
52	0
53	12
54	23
55	23
56	15
57	0
58	24
59	28
60	12
61	12
62	20
63	20
64	3
65	31
66	22
67	31
68	27
69	7
70	0
71	32
72	32
73	7
74	6
75	37
76	36
77	34
78	40
79	14
80	20
81	0
82	33
83	0
84	19
85	0
86	40

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

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