A210957 - cp's OEIS frontend

A210957 Prime pair (p, q), p<=q, such that p + q = 2n and pq is the minimal product.

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

[2, 2, 3, 3, 3, 5, 3, 7, 5, 7, 3, 11, 3, 13, 5, 13, 3, 17, 3, 19, 5, 19, 3, 23, 5, 23, 7, 23, 3, 29, 3, 31, 5, 31, 7, 31, 3, 37, 5, 37, 3, 41, 3, 43, 5, 43, 3, 47, 5, 47, 7, 47, 3, 53, 5, 53, 7, 53, 3, 59, 3, 61, 5, 61, 7, 61, 3, 67, 5, 67, 3, 71, 3, 73]

cp's OEIS Frontend

A210957 Prime pair (p, q), p<=q, such that p + q = 2n and pq is the minimal product.

Table of values

List of values

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

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

cp's OEIS Frontend

A210957 Prime pair (p, q), p<=q, such that p + q = 2*n and p*q is the minimal product.

Table of values

List of values

A210957 Prime pair (p, q), p<=q, such that p + q = 2n and pq is the minimal product.

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