A237975 - cp's OEIS frontend

A237975 Least nonnegative integer m such that for some k = 1, ..., n there are exactly m^2 twin prime pairs not exceeding k*n.

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

[0, 0, 0, 0, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 5, 5, 4, 4, 3, 3, 5, 5, 4, 4, 5, 5, 5, 5, 5, 4, 4, 4, 5, 5, 5, 3, 3, 3, 5, 5, 5, 4, 4, 4, 5, 5, 5, 6, 9, 5, 5, 5, 5, 5, 5, 11, 6, 10, 5, 5, 4, 4, 4, 4, 5, 11, 9, 8, 9, 6, 10, 5, 5, 5, 5, 5, 5, 5, 5, 8, 11, 11, 7, 8]

cp's OEIS Frontend

A237975 Least nonnegative integer m such that for some k = 1, ..., n there are exactly m^2 twin prime pairs not exceeding k*n.

Table of values

List of values

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

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

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