A173752 - cp's OEIS frontend

A173752 a(n) = m-k where (prime(k), prime(m)) is the n-th prime pair (x^2-x+11, x^2+x+11), integer x >= 0.

n	a(n)
1	0
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	4
10	3
11	5
12	7
13	5
14	5
15	9
16	8
17	10
18	17
19	15
20	15
21	16
22	15
23	17
24	18
25	20
26	23
27	27
28	25
29	30
30	27
31	26
32	30
33	32
34	39
35	43
36	49
37	48
38	55
39	54
40	48
41	64
42	66
43	62
44	61
45	62
46	68
47	63
48	65
49	77
50	65
51	73
52	79
53	85
54	73
55	86
56	93
57	98
58	84
59	100
60	107
61	113
62	110
63	105
64	107
65	121
66	119
67	120
68	119
69	121
70	125
71	114

[0, 1, 1, 2, 2, 2, 3, 3, 4, 3, 5, 7, 5, 5, 9, 8, 10, 17, 15, 15, 16, 15, 17, 18, 20, 23, 27, 25, 30, 27, 26, 30, 32, 39, 43, 49, 48, 55, 54, 48, 64, 66, 62, 61, 62, 68, 63, 65, 77, 65, 73, 79, 85, 73, 86, 93, 98, 84, 100, 107, 113, 110, 105, 107, 121, 119, 120, 119, 121, 125, 114]

cp's OEIS Frontend

A173752 a(n) = m-k where (prime(k), prime(m)) is the n-th prime pair (x^2-x+11, x^2+x+11), integer x >= 0.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	4
10	3
11	5
12	7
13	5
14	5
15	9
16	8
17	10
18	17
19	15
20	15
21	16
22	15
23	17
24	18
25	20
26	23
27	27
28	25
29	30
30	27
31	26
32	30
33	32
34	39
35	43
36	49
37	48
38	55
39	54
40	48
41	64
42	66
43	62
44	61
45	62
46	68
47	63
48	65
49	77
50	65
51	73
52	79
53	85
54	73
55	86
56	93
57	98
58	84
59	100
60	107
61	113
62	110
63	105
64	107
65	121
66	119
67	120
68	119
69	121
70	125
71	114

n	a(n)
1	0
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	4
10	3
11	5
12	7
13	5
14	5
15	9
16	8
17	10
18	17
19	15
20	15
21	16
22	15
23	17
24	18
25	20
26	23
27	27
28	25
29	30
30	27
31	26
32	30
33	32
34	39
35	43
36	49
37	48
38	55
39	54
40	48
41	64
42	66
43	62
44	61
45	62
46	68
47	63
48	65
49	77
50	65
51	73
52	79
53	85
54	73
55	86
56	93
57	98
58	84
59	100
60	107
61	113
62	110
63	105
64	107
65	121
66	119
67	120
68	119
69	121
70	125
71	114

n	a(n)
1	0
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	4
10	3
11	5
12	7
13	5
14	5
15	9
16	8
17	10
18	17
19	15
20	15
21	16
22	15
23	17
24	18
25	20
26	23
27	27
28	25
29	30
30	27
31	26
32	30
33	32
34	39
35	43
36	49
37	48
38	55
39	54
40	48
41	64
42	66
43	62
44	61
45	62
46	68
47	63
48	65
49	77
50	65
51	73
52	79
53	85
54	73
55	86
56	93
57	98
58	84
59	100
60	107
61	113
62	110
63	105
64	107
65	121
66	119
67	120
68	119
69	121
70	125
71	114