A210700 - cp's OEIS frontend

A210700 A047160(3n): smallest m >= 0 with both 3n - m and 3n + m prime.

n	a(n)
1	0
2	1
3	2
4	1
5	2
6	1
7	2
8	5
9	4
10	1
11	4
12	5
13	2
14	1
15	2
16	5
17	8
18	7
19	4
20	1
21	4
22	5
23	2
24	1
25	4
26	5
27	2
28	5
29	14
30	7
31	4
32	7
33	2
34	1
35	2
36	1
37	2
38	13
39	10
40	7
41	14
42	13
43	2
44	5
45	4
46	1
47	10
48	5
49	10
50	1
51	4
52	7
53	8
54	5
55	2
56	5
57	8
58	7
59	4
60	1
61	10
62	5
63	8
64	1
65	2
66	1
67	10
68	7
69	16
70	13
71	14
72	17
73	8
74	11
75	2
76	1
77	2
78	5
79	4
80	1
81	14
82	5

[0, 1, 2, 1, 2, 1, 2, 5, 4, 1, 4, 5, 2, 1, 2, 5, 8, 7, 4, 1, 4, 5, 2, 1, 4, 5, 2, 5, 14, 7, 4, 7, 2, 1, 2, 1, 2, 13, 10, 7, 14, 13, 2, 5, 4, 1, 10, 5, 10, 1, 4, 7, 8, 5, 2, 5, 8, 7, 4, 1, 10, 5, 8, 1, 2, 1, 10, 7, 16, 13, 14, 17, 8, 11, 2, 1, 2, 5, 4, 1, 14, 5]

cp's OEIS Frontend

A210700 A047160(3n): smallest m >= 0 with both 3n - m and 3n + m prime.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	1
5	2
6	1
7	2
8	5
9	4
10	1
11	4
12	5
13	2
14	1
15	2
16	5
17	8
18	7
19	4
20	1
21	4
22	5
23	2
24	1
25	4
26	5
27	2
28	5
29	14
30	7
31	4
32	7
33	2
34	1
35	2
36	1
37	2
38	13
39	10
40	7
41	14
42	13
43	2
44	5
45	4
46	1
47	10
48	5
49	10
50	1
51	4
52	7
53	8
54	5
55	2
56	5
57	8
58	7
59	4
60	1
61	10
62	5
63	8
64	1
65	2
66	1
67	10
68	7
69	16
70	13
71	14
72	17
73	8
74	11
75	2
76	1
77	2
78	5
79	4
80	1
81	14
82	5

n	a(n)
1	0
2	1
3	2
4	1
5	2
6	1
7	2
8	5
9	4
10	1
11	4
12	5
13	2
14	1
15	2
16	5
17	8
18	7
19	4
20	1
21	4
22	5
23	2
24	1
25	4
26	5
27	2
28	5
29	14
30	7
31	4
32	7
33	2
34	1
35	2
36	1
37	2
38	13
39	10
40	7
41	14
42	13
43	2
44	5
45	4
46	1
47	10
48	5
49	10
50	1
51	4
52	7
53	8
54	5
55	2
56	5
57	8
58	7
59	4
60	1
61	10
62	5
63	8
64	1
65	2
66	1
67	10
68	7
69	16
70	13
71	14
72	17
73	8
74	11
75	2
76	1
77	2
78	5
79	4
80	1
81	14
82	5

n	a(n)
1	0
2	1
3	2
4	1
5	2
6	1
7	2
8	5
9	4
10	1
11	4
12	5
13	2
14	1
15	2
16	5
17	8
18	7
19	4
20	1
21	4
22	5
23	2
24	1
25	4
26	5
27	2
28	5
29	14
30	7
31	4
32	7
33	2
34	1
35	2
36	1
37	2
38	13
39	10
40	7
41	14
42	13
43	2
44	5
45	4
46	1
47	10
48	5
49	10
50	1
51	4
52	7
53	8
54	5
55	2
56	5
57	8
58	7
59	4
60	1
61	10
62	5
63	8
64	1
65	2
66	1
67	10
68	7
69	16
70	13
71	14
72	17
73	8
74	11
75	2
76	1
77	2
78	5
79	4
80	1
81	14
82	5