A182481 - cp's OEIS frontend

A182481 a(n) is the least k such that 6kn-1 and 6kn+1 are twin primes, and a(n)=0, if such k does not exist.

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

[1, 1, 1, 3, 1, 2, 1, 4, 2, 1, 3, 1, 4, 5, 2, 2, 1, 1, 2, 2, 7, 5, 1, 3, 1, 2, 5, 16, 2, 1, 7, 1, 1, 5, 2, 2, 9, 1, 8, 1, 5, 9, 4, 5, 1, 3, 1, 4, 3, 2, 7, 1, 20, 5, 2, 8, 14, 1, 3, 21, 43, 4, 6, 3, 5, 8, 4, 9, 2, 1, 3, 1, 14, 15, 9, 30, 1, 4, 22, 7, 20, 21, 9]

cp's OEIS Frontend

A182481 a(n) is the least k such that 6kn-1 and 6kn+1 are twin primes, and a(n)=0, if such k does not exist.

Table of values

List of values

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

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

cp's OEIS Frontend

A182481 a(n) is the least k such that 6*k*n-1 and 6*k*n+1 are twin primes, and a(n)=0, if such k does not exist.

Table of values

List of values

A182481 a(n) is the least k such that 6kn-1 and 6kn+1 are twin primes, and a(n)=0, if such k does not exist.

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