A082466 - cp's OEIS frontend

A082466 Least k>=1 such that n^2+kn-1 and n^2+kn+1 are twin primes.

n	a(n)
1	3
2	1
3	1
4	11
5	1
6	1
7	53
8	1
9	3
10	5
11	7
12	3
13	11
14	16
15	1
16	11
17	43
18	6
19	11
20	1
21	1
22	8
23	13
24	1
25	17
26	7
27	3
28	11
29	43
30	4
31	11
32	4
33	7
34	8
35	31
36	9
37	17
38	1
39	9
40	35
41	1
42	4
43	53
44	4
45	7
46	41
47	43
48	6
49	23
50	1
51	17
52	8
53	67
54	1
55	5
56	4
57	17
58	11
59	1
60	7
61	197
62	4
63	3
64	11
65	25
66	1
67	227
68	7
69	3
70	14
71	157
72	19
73	11
74	16
75	3
76	71
77	43
78	6
79	53
80	7
81	7
82	44
83	31
84	3
85	41

[3, 1, 1, 11, 1, 1, 53, 1, 3, 5, 7, 3, 11, 16, 1, 11, 43, 6, 11, 1, 1, 8, 13, 1, 17, 7, 3, 11, 43, 4, 11, 4, 7, 8, 31, 9, 17, 1, 9, 35, 1, 4, 53, 4, 7, 41, 43, 6, 23, 1, 17, 8, 67, 1, 5, 4, 17, 11, 1, 7, 197, 4, 3, 11, 25, 1, 227, 7, 3, 14, 157, 19, 11, 16, 3, 71, 43, 6, 53, 7, 7, 44, 31, 3, 41]

cp's OEIS Frontend

A082466 Least k>=1 such that n^2+kn-1 and n^2+kn+1 are twin primes.

Table of values

List of values

n	a(n)
1	3
2	1
3	1
4	11
5	1
6	1
7	53
8	1
9	3
10	5
11	7
12	3
13	11
14	16
15	1
16	11
17	43
18	6
19	11
20	1
21	1
22	8
23	13
24	1
25	17
26	7
27	3
28	11
29	43
30	4
31	11
32	4
33	7
34	8
35	31
36	9
37	17
38	1
39	9
40	35
41	1
42	4
43	53
44	4
45	7
46	41
47	43
48	6
49	23
50	1
51	17
52	8
53	67
54	1
55	5
56	4
57	17
58	11
59	1
60	7
61	197
62	4
63	3
64	11
65	25
66	1
67	227
68	7
69	3
70	14
71	157
72	19
73	11
74	16
75	3
76	71
77	43
78	6
79	53
80	7
81	7
82	44
83	31
84	3
85	41

n	a(n)
1	3
2	1
3	1
4	11
5	1
6	1
7	53
8	1
9	3
10	5
11	7
12	3
13	11
14	16
15	1
16	11
17	43
18	6
19	11
20	1
21	1
22	8
23	13
24	1
25	17
26	7
27	3
28	11
29	43
30	4
31	11
32	4
33	7
34	8
35	31
36	9
37	17
38	1
39	9
40	35
41	1
42	4
43	53
44	4
45	7
46	41
47	43
48	6
49	23
50	1
51	17
52	8
53	67
54	1
55	5
56	4
57	17
58	11
59	1
60	7
61	197
62	4
63	3
64	11
65	25
66	1
67	227
68	7
69	3
70	14
71	157
72	19
73	11
74	16
75	3
76	71
77	43
78	6
79	53
80	7
81	7
82	44
83	31
84	3
85	41

n	a(n)
1	3
2	1
3	1
4	11
5	1
6	1
7	53
8	1
9	3
10	5
11	7
12	3
13	11
14	16
15	1
16	11
17	43
18	6
19	11
20	1
21	1
22	8
23	13
24	1
25	17
26	7
27	3
28	11
29	43
30	4
31	11
32	4
33	7
34	8
35	31
36	9
37	17
38	1
39	9
40	35
41	1
42	4
43	53
44	4
45	7
46	41
47	43
48	6
49	23
50	1
51	17
52	8
53	67
54	1
55	5
56	4
57	17
58	11
59	1
60	7
61	197
62	4
63	3
64	11
65	25
66	1
67	227
68	7
69	3
70	14
71	157
72	19
73	11
74	16
75	3
76	71
77	43
78	6
79	53
80	7
81	7
82	44
83	31
84	3
85	41