A231483 - cp's OEIS frontend

A231483 Smallest k > A082467(n) such that n-k and n+k are both prime.

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

[9, 8, 15, 18, 7, 12, 15, 10, 15, 18, 7, 28, 15, 10, 27, 12, 7, 24, 15, 8, 21, 18, 5, 30, 15, 8, 27, 24, 11, 18, 9, 10, 15, 30, 13, 18, 15, 10, 21, 30, 7, 42, 21, 10, 33, 18, 7, 30, 21, 10, 9, 18, 11, 30, 27, 8, 33, 24, 11, 48, 21, 8, 21, 30]

cp's OEIS Frontend

A231483 Smallest k > A082467(n) such that n-k and n+k are both prime.

Table of values

List of values

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

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

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