A096520 - cp's OEIS frontend

A096520 Number of primes in the neighborhood of center=2^n and radius=Ceiling[Log[2^n]].

n	a(n)
1	2
2	3
3	3
4	3
5	2
6	3
7	2
8	2
9	1
10	3
11	1
12	3
13	1
14	1
15	2
16	3
17	2
18	5
19	1
20	4
21	1
22	2
23	4
24	2
25	0
26	2
27	0
28	2
29	2
30	5
31	3
32	3
33	2
34	0
35	0
36	3
37	2
38	2
39	3
40	2
41	2
42	3
43	1
44	4
45	0
46	2
47	2
48	1
49	0
50	2
51	1
52	2
53	1
54	1
55	2
56	2
57	4
58	1
59	0
60	1
61	4
62	0
63	2
64	2
65	0
66	3
67	3
68	2
69	2
70	2
71	1
72	1
73	1
74	3
75	1
76	3
77	3
78	3
79	2
80	1
81	2
82	4
83	1
84	3
85	1
86	3
87	1
88	1
89	5
90	3
91	2
92	1
93	2
94	2
95	4
96	2
97	0
98	4
99	0
100	1
101	1
102	2
103	0
104	2
105	2

[2, 3, 3, 3, 2, 3, 2, 2, 1, 3, 1, 3, 1, 1, 2, 3, 2, 5, 1, 4, 1, 2, 4, 2, 0, 2, 0, 2, 2, 5, 3, 3, 2, 0, 0, 3, 2, 2, 3, 2, 2, 3, 1, 4, 0, 2, 2, 1, 0, 2, 1, 2, 1, 1, 2, 2, 4, 1, 0, 1, 4, 0, 2, 2, 0, 3, 3, 2, 2, 2, 1, 1, 1, 3, 1, 3, 3, 3, 2, 1, 2, 4, 1, 3, 1, 3, 1, 1, 5, 3, 2, 1, 2, 2, 4, 2, 0, 4, 0, 1, 1, 2, 0, 2, 2]

cp's OEIS Frontend

A096520 Number of primes in the neighborhood of center=2^n and radius=Ceiling[Log[2^n]].

Table of values

List of values

n	a(n)
1	2
2	3
3	3
4	3
5	2
6	3
7	2
8	2
9	1
10	3
11	1
12	3
13	1
14	1
15	2
16	3
17	2
18	5
19	1
20	4
21	1
22	2
23	4
24	2
25	0
26	2
27	0
28	2
29	2
30	5
31	3
32	3
33	2
34	0
35	0
36	3
37	2
38	2
39	3
40	2
41	2
42	3
43	1
44	4
45	0
46	2
47	2
48	1
49	0
50	2
51	1
52	2
53	1
54	1
55	2
56	2
57	4
58	1
59	0
60	1
61	4
62	0
63	2
64	2
65	0
66	3
67	3
68	2
69	2
70	2
71	1
72	1
73	1
74	3
75	1
76	3
77	3
78	3
79	2
80	1
81	2
82	4
83	1
84	3
85	1
86	3
87	1
88	1
89	5
90	3
91	2
92	1
93	2
94	2
95	4
96	2
97	0
98	4
99	0
100	1
101	1
102	2
103	0
104	2
105	2

n	a(n)
1	2
2	3
3	3
4	3
5	2
6	3
7	2
8	2
9	1
10	3
11	1
12	3
13	1
14	1
15	2
16	3
17	2
18	5
19	1
20	4
21	1
22	2
23	4
24	2
25	0
26	2
27	0
28	2
29	2
30	5
31	3
32	3
33	2
34	0
35	0
36	3
37	2
38	2
39	3
40	2
41	2
42	3
43	1
44	4
45	0
46	2
47	2
48	1
49	0
50	2
51	1
52	2
53	1
54	1
55	2
56	2
57	4
58	1
59	0
60	1
61	4
62	0
63	2
64	2
65	0
66	3
67	3
68	2
69	2
70	2
71	1
72	1
73	1
74	3
75	1
76	3
77	3
78	3
79	2
80	1
81	2
82	4
83	1
84	3
85	1
86	3
87	1
88	1
89	5
90	3
91	2
92	1
93	2
94	2
95	4
96	2
97	0
98	4
99	0
100	1
101	1
102	2
103	0
104	2
105	2

n	a(n)
1	2
2	3
3	3
4	3
5	2
6	3
7	2
8	2
9	1
10	3
11	1
12	3
13	1
14	1
15	2
16	3
17	2
18	5
19	1
20	4
21	1
22	2
23	4
24	2
25	0
26	2
27	0
28	2
29	2
30	5
31	3
32	3
33	2
34	0
35	0
36	3
37	2
38	2
39	3
40	2
41	2
42	3
43	1
44	4
45	0
46	2
47	2
48	1
49	0
50	2
51	1
52	2
53	1
54	1
55	2
56	2
57	4
58	1
59	0
60	1
61	4
62	0
63	2
64	2
65	0
66	3
67	3
68	2
69	2
70	2
71	1
72	1
73	1
74	3
75	1
76	3
77	3
78	3
79	2
80	1
81	2
82	4
83	1
84	3
85	1
86	3
87	1
88	1
89	5
90	3
91	2
92	1
93	2
94	2
95	4
96	2
97	0
98	4
99	0
100	1
101	1
102	2
103	0
104	2
105	2