A082467 - cp's OEIS frontend

A082467 Least k>0 such that n-k and n+k are both primes.

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

[1, 2, 1, 4, 3, 2, 3, 6, 1, 6, 3, 2, 3, 6, 1, 12, 3, 2, 9, 6, 5, 6, 3, 4, 9, 12, 1, 12, 9, 4, 3, 6, 5, 6, 9, 2, 3, 12, 1, 24, 3, 2, 15, 6, 5, 12, 3, 8, 9, 6, 7, 12, 3, 4, 15, 12, 1, 18, 9, 4, 3, 6, 5, 6, 15, 2, 3, 12, 1, 6, 15, 4, 3, 6, 5, 18, 9, 2, 15, 24, 5, 12, 3, 14, 9, 18, 7, 12, 9, 4, 15, 6, 7, 30, 9]

cp's OEIS Frontend

A082467 Least k>0 such that n-k and n+k are both primes.

Table of values

List of values

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

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

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