A368203 - cp's OEIS frontend

A368203 Least k such that 7nk+1 is a prime.

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

[4, 2, 2, 1, 2, 1, 4, 2, 2, 1, 6, 4, 6, 2, 2, 1, 2, 1, 12, 2, 6, 3, 6, 2, 4, 3, 2, 1, 12, 1, 6, 2, 2, 1, 2, 3, 10, 6, 2, 1, 6, 3, 10, 2, 2, 3, 2, 1, 4, 2, 4, 3, 2, 1, 6, 8, 4, 6, 2, 1, 4, 3, 2, 1, 2, 1, 4, 2, 2, 1, 14, 2, 6, 5, 2, 3, 12, 1, 4, 5, 4, 3, 2, 6]

cp's OEIS Frontend

A368203 Least k such that 7nk+1 is a prime.

Table of values

List of values

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

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

cp's OEIS Frontend

A368203 Least k such that 7*n*k+1 is a prime.

Table of values

List of values

A368203 Least k such that 7nk+1 is a prime.

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