A192454 - cp's OEIS frontend

A192454 Number of primes in the range [2^n-n, 2^n+n].

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

[0, 2, 3, 3, 3, 3, 3, 2, 3, 3, 4, 2, 3, 2, 1, 3, 5, 3, 6, 2, 5, 4, 3, 5, 2, 0, 2, 0, 2, 2, 5, 3, 3, 4, 1, 1, 4, 4, 2, 4, 2, 3, 4, 2, 4, 0, 2, 3, 1, 0, 2, 1, 3, 2, 2, 4, 3, 5, 2, 1, 1, 6, 1, 2, 4, 1, 3, 7, 4, 2, 3, 2, 1, 2, 5, 3, 4, 6, 3, 3, 2, 4, 5, 2, 5, 2, 7, 3, 1, 7, 4, 3, 2, 3, 2, 4, 5, 0, 5, 0, 2]

cp's OEIS Frontend

A192454 Number of primes in the range [2^n-n, 2^n+n].

Table of values

List of values

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

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

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