A192227 - cp's OEIS frontend

A192227 Number of primes in the range (n - 2*sqrt(sqrt(n)), n].

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

[0, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 1, 1, 2, 1, 2, 2, 2, 1, 2, 1, 1, 1, 1, 0, 1, 1, 2, 2, 2, 1, 1, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1]

cp's OEIS Frontend

A192227 Number of primes in the range (n - 2*sqrt(sqrt(n)), n].

Table of values

List of values

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

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

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