A089610 - cp's OEIS frontend

A089610 Number of primes between n^2 and (n+1/2)^2.

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

[1, 1, 1, 2, 1, 2, 1, 2, 2, 4, 2, 2, 3, 2, 4, 4, 1, 2, 3, 3, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4, 5, 5, 6, 4, 5, 7, 3, 6, 6, 8, 5, 5, 7, 4, 6, 7, 6, 7, 6, 6, 5, 9, 7, 7, 6, 7, 7, 6, 8, 8, 7, 7, 8, 9, 11, 7, 8, 10, 8, 11, 8, 7, 7, 10, 11, 12, 4, 9, 11, 6, 9, 9, 10, 8, 9, 8, 11, 8, 8, 9, 10, 8, 13, 10, 9, 10, 14, 12]

cp's OEIS Frontend

A089610 Number of primes between n^2 and (n+1/2)^2.

Table of values

List of values

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

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

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