A167691 - cp's OEIS frontend

A167691 The number of nonisolated nonprimes between n-th isolated prime and (n+1)-th isolated prime.

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

[9, 10, 6, 5, 10, 8, 3, 5, 7, 9, 13, 3, 19, 5, 3, 5, 28, 11, 6, 14, 5, 5, 10, 12, 13, 6, 13, 5, 12, 5, 7, 5, 5, 3, 5, 7, 3, 7, 23, 3, 5, 7, 6, 11, 7, 3, 7, 3, 5, 28, 5, 9, 5, 10, 9, 5, 10, 5, 14, 12, 5, 16, 3, 5, 7, 9, 7, 9, 7, 5, 5, 3, 7, 5, 3, 7, 3, 13, 9, 32, 13, 6, 13, 6, 19, 3, 7, 9, 7, 3, 5, 5, 13]

cp's OEIS Frontend

A167691 The number of nonisolated nonprimes between n-th isolated prime and (n+1)-th isolated prime.

Table of values

List of values

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

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

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