A250204 - cp's OEIS frontend

A250204 Sierpiński problem in base 6: Least k > 0 such that n*6^k+1 is prime, or 0 if no such k exists.

n	a(n)
1	1
2	1
3	1
4	0
5	1
6	1
7	1
8	4
9	0
10	1
11	1
12	1
13	1
14	0
15	2
16	1
17	1
18	1
19	0
20	5
21	1
22	4
23	1
24	0
25	1
26	1
27	1
28	2
29	0
30	1
31	2
32	1
33	1
34	0
35	1
36	2
37	1
38	1
39	0
40	1
41	5
42	5
43	2
44	0
45	1
46	1
47	1
48	3
49	0
50	2
51	1
52	1
53	7
54	0
55	1
56	1
57	2
58	1
59	0
60	2
61	1
62	1
63	1
64	0
65	2
66	1
67	8
68	1
69	0
70	1
71	2
72	1
73	1
74	0
75	7
76	1
77	1
78	4
79	0
80	4
81	1
82	2
83	1
84	0
85	2
86	5
87	1
88	2
89	0
90	1
91	1
92	2
93	3
94	0
95	1
96	1
97	9
98	2
99	0
100	1
101	1
102	1
103	1
104	0
105	1
106	6
107	1
108	2
109	0
110	1
111	3
112	1
113	4
114	0
115	1
116	2
117	23
118	1
119	0
120	4

[1, 1, 1, 0, 1, 1, 1, 4, 0, 1, 1, 1, 1, 0, 2, 1, 1, 1, 0, 5, 1, 4, 1, 0, 1, 1, 1, 2, 0, 1, 2, 1, 1, 0, 1, 2, 1, 1, 0, 1, 5, 5, 2, 0, 1, 1, 1, 3, 0, 2, 1, 1, 7, 0, 1, 1, 2, 1, 0, 2, 1, 1, 1, 0, 2, 1, 8, 1, 0, 1, 2, 1, 1, 0, 7, 1, 1, 4, 0, 4, 1, 2, 1, 0, 2, 5, 1, 2, 0, 1, 1, 2, 3, 0, 1, 1, 9, 2, 0, 1, 1, 1, 1, 0, 1, 6, 1, 2, 0, 1, 3, 1, 4, 0, 1, 2, 23, 1, 0, 4]

cp's OEIS Frontend

A250204 Sierpiński problem in base 6: Least k > 0 such that n*6^k+1 is prime, or 0 if no such k exists.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	0
5	1
6	1
7	1
8	4
9	0
10	1
11	1
12	1
13	1
14	0
15	2
16	1
17	1
18	1
19	0
20	5
21	1
22	4
23	1
24	0
25	1
26	1
27	1
28	2
29	0
30	1
31	2
32	1
33	1
34	0
35	1
36	2
37	1
38	1
39	0
40	1
41	5
42	5
43	2
44	0
45	1
46	1
47	1
48	3
49	0
50	2
51	1
52	1
53	7
54	0
55	1
56	1
57	2
58	1
59	0
60	2
61	1
62	1
63	1
64	0
65	2
66	1
67	8
68	1
69	0
70	1
71	2
72	1
73	1
74	0
75	7
76	1
77	1
78	4
79	0
80	4
81	1
82	2
83	1
84	0
85	2
86	5
87	1
88	2
89	0
90	1
91	1
92	2
93	3
94	0
95	1
96	1
97	9
98	2
99	0
100	1
101	1
102	1
103	1
104	0
105	1
106	6
107	1
108	2
109	0
110	1
111	3
112	1
113	4
114	0
115	1
116	2
117	23
118	1
119	0
120	4

n	a(n)
1	1
2	1
3	1
4	0
5	1
6	1
7	1
8	4
9	0
10	1
11	1
12	1
13	1
14	0
15	2
16	1
17	1
18	1
19	0
20	5
21	1
22	4
23	1
24	0
25	1
26	1
27	1
28	2
29	0
30	1
31	2
32	1
33	1
34	0
35	1
36	2
37	1
38	1
39	0
40	1
41	5
42	5
43	2
44	0
45	1
46	1
47	1
48	3
49	0
50	2
51	1
52	1
53	7
54	0
55	1
56	1
57	2
58	1
59	0
60	2
61	1
62	1
63	1
64	0
65	2
66	1
67	8
68	1
69	0
70	1
71	2
72	1
73	1
74	0
75	7
76	1
77	1
78	4
79	0
80	4
81	1
82	2
83	1
84	0
85	2
86	5
87	1
88	2
89	0
90	1
91	1
92	2
93	3
94	0
95	1
96	1
97	9
98	2
99	0
100	1
101	1
102	1
103	1
104	0
105	1
106	6
107	1
108	2
109	0
110	1
111	3
112	1
113	4
114	0
115	1
116	2
117	23
118	1
119	0
120	4

n	a(n)
1	1
2	1
3	1
4	0
5	1
6	1
7	1
8	4
9	0
10	1
11	1
12	1
13	1
14	0
15	2
16	1
17	1
18	1
19	0
20	5
21	1
22	4
23	1
24	0
25	1
26	1
27	1
28	2
29	0
30	1
31	2
32	1
33	1
34	0
35	1
36	2
37	1
38	1
39	0
40	1
41	5
42	5
43	2
44	0
45	1
46	1
47	1
48	3
49	0
50	2
51	1
52	1
53	7
54	0
55	1
56	1
57	2
58	1
59	0
60	2
61	1
62	1
63	1
64	0
65	2
66	1
67	8
68	1
69	0
70	1
71	2
72	1
73	1
74	0
75	7
76	1
77	1
78	4
79	0
80	4
81	1
82	2
83	1
84	0
85	2
86	5
87	1
88	2
89	0
90	1
91	1
92	2
93	3
94	0
95	1
96	1
97	9
98	2
99	0
100	1
101	1
102	1
103	1
104	0
105	1
106	6
107	1
108	2
109	0
110	1
111	3
112	1
113	4
114	0
115	1
116	2
117	23
118	1
119	0
120	4