A368201 - cp's OEIS frontend

A368201 Least k such that 9nk+1 is a prime.

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

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

cp's OEIS Frontend

A368201 Least k such that 9nk+1 is a prime.

Table of values

List of values

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

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

cp's OEIS Frontend

A368201 Least k such that 9*n*k+1 is a prime.

Table of values

List of values

A368201 Least k such that 9nk+1 is a prime.

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