A248891 - cp's OEIS frontend

A248891 Number of primes p such that p+2 is prime and A001359(n) < p < A001359(n)^(1+1/n).

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

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

cp's OEIS Frontend

A248891 Number of primes p such that p+2 is prime and A001359(n) < p < A001359(n)^(1+1/n).

Table of values

List of values

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

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

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