A283302 - cp's OEIS frontend

A283302 Maximum number of pairs of primes (p,q) such that p < q <= prime(n) and p + q = constant.

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

[0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 6, 6, 6, 6, 6, 7, 8, 9, 9, 9, 9, 9, 10, 11, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 14, 14, 15, 16, 17, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 20, 21, 21, 22, 23, 24, 24, 24, 24, 24, 24, 24, 24, 25, 26, 27, 27, 28, 29, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30]

cp's OEIS Frontend

A283302 Maximum number of pairs of primes (p,q) such that p < q <= prime(n) and p + q = constant.

Table of values

List of values

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

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

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