A288160 - cp's OEIS frontend

A288160 a(n) = smallest k such that (6kn-3)*2^n-1 is prime, or 0 if no such prime exists.

n	a(n)
1	1
2	2
3	2
4	2
5	1
6	1
7	0
8	1
9	1
10	1
11	1
12	4
13	6
14	6
15	0
16	15
17	2
18	8
19	3
20	1
21	9
22	4
23	3
24	14
25	1
26	0
27	3
28	0
29	1
30	2
31	1
32	3
33	4
34	25
35	0
36	1
37	24
38	2
39	17
40	22
41	2
42	4
43	16
44	2
45	13
46	9
47	17
48	17
49	0
50	10
51	17
52	3
53	6
54	34
55	0
56	1
57	69
58	5
59	26
60	8
61	4
62	3
63	3
64	8
65	16
66	19
67	3
68	5
69	5
70	0
71	18
72	8
73	75
74	5
75	0
76	1
77	0
78	37
79	19
80	14
81	85
82	4
83	4
84	47

[1, 2, 2, 2, 1, 1, 0, 1, 1, 1, 1, 4, 6, 6, 0, 15, 2, 8, 3, 1, 9, 4, 3, 14, 1, 0, 3, 0, 1, 2, 1, 3, 4, 25, 0, 1, 24, 2, 17, 22, 2, 4, 16, 2, 13, 9, 17, 17, 0, 10, 17, 3, 6, 34, 0, 1, 69, 5, 26, 8, 4, 3, 3, 8, 16, 19, 3, 5, 5, 0, 18, 8, 75, 5, 0, 1, 0, 37, 19, 14, 85, 4, 4, 47]

cp's OEIS Frontend

A288160 a(n) = smallest k such that (6kn-3)*2^n-1 is prime, or 0 if no such prime exists.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	2
5	1
6	1
7	0
8	1
9	1
10	1
11	1
12	4
13	6
14	6
15	0
16	15
17	2
18	8
19	3
20	1
21	9
22	4
23	3
24	14
25	1
26	0
27	3
28	0
29	1
30	2
31	1
32	3
33	4
34	25
35	0
36	1
37	24
38	2
39	17
40	22
41	2
42	4
43	16
44	2
45	13
46	9
47	17
48	17
49	0
50	10
51	17
52	3
53	6
54	34
55	0
56	1
57	69
58	5
59	26
60	8
61	4
62	3
63	3
64	8
65	16
66	19
67	3
68	5
69	5
70	0
71	18
72	8
73	75
74	5
75	0
76	1
77	0
78	37
79	19
80	14
81	85
82	4
83	4
84	47

n	a(n)
1	1
2	2
3	2
4	2
5	1
6	1
7	0
8	1
9	1
10	1
11	1
12	4
13	6
14	6
15	0
16	15
17	2
18	8
19	3
20	1
21	9
22	4
23	3
24	14
25	1
26	0
27	3
28	0
29	1
30	2
31	1
32	3
33	4
34	25
35	0
36	1
37	24
38	2
39	17
40	22
41	2
42	4
43	16
44	2
45	13
46	9
47	17
48	17
49	0
50	10
51	17
52	3
53	6
54	34
55	0
56	1
57	69
58	5
59	26
60	8
61	4
62	3
63	3
64	8
65	16
66	19
67	3
68	5
69	5
70	0
71	18
72	8
73	75
74	5
75	0
76	1
77	0
78	37
79	19
80	14
81	85
82	4
83	4
84	47

cp's OEIS Frontend

A288160 a(n) = smallest k such that (6*k*n-3)*2^n-1 is prime, or 0 if no such prime exists.

Table of values

List of values

A288160 a(n) = smallest k such that (6kn-3)*2^n-1 is prime, or 0 if no such prime exists.

n	a(n)
1	1
2	2
3	2
4	2
5	1
6	1
7	0
8	1
9	1
10	1
11	1
12	4
13	6
14	6
15	0
16	15
17	2
18	8
19	3
20	1
21	9
22	4
23	3
24	14
25	1
26	0
27	3
28	0
29	1
30	2
31	1
32	3
33	4
34	25
35	0
36	1
37	24
38	2
39	17
40	22
41	2
42	4
43	16
44	2
45	13
46	9
47	17
48	17
49	0
50	10
51	17
52	3
53	6
54	34
55	0
56	1
57	69
58	5
59	26
60	8
61	4
62	3
63	3
64	8
65	16
66	19
67	3
68	5
69	5
70	0
71	18
72	8
73	75
74	5
75	0
76	1
77	0
78	37
79	19
80	14
81	85
82	4
83	4
84	47