A153090 - cp's OEIS frontend

A153090 Least k(n) such that k(n)3^n(3^n-1)+j is prime with j= -1 or 1 or both.

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	1
7	1
8	14
9	5
10	5
11	5
12	1
13	7
14	6
15	5
16	7
17	12
18	1
19	5
20	1
21	6
22	29
23	23
24	20
25	8
26	6
27	6
28	9
29	2
30	10
31	18
32	19
33	13
34	57
35	1
36	1
37	9
38	10
39	8
40	5
41	8
42	8
43	26
44	5
45	5
46	6
47	39
48	41
49	6
50	9
51	50
52	6
53	32
54	6
55	4
56	8
57	2
58	79
59	28
60	23
61	33
62	78
63	31
64	35
65	19
66	32
67	46
68	7
69	6
70	116
71	39
72	7
73	20
74	6
75	35
76	8

[1, 1, 1, 1, 3, 1, 1, 14, 5, 5, 5, 1, 7, 6, 5, 7, 12, 1, 5, 1, 6, 29, 23, 20, 8, 6, 6, 9, 2, 10, 18, 19, 13, 57, 1, 1, 9, 10, 8, 5, 8, 8, 26, 5, 5, 6, 39, 41, 6, 9, 50, 6, 32, 6, 4, 8, 2, 79, 28, 23, 33, 78, 31, 35, 19, 32, 46, 7, 6, 116, 39, 7, 20, 6, 35, 8]

cp's OEIS Frontend

A153090 Least k(n) such that k(n)3^n(3^n-1)+j is prime with j= -1 or 1 or both.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	1
7	1
8	14
9	5
10	5
11	5
12	1
13	7
14	6
15	5
16	7
17	12
18	1
19	5
20	1
21	6
22	29
23	23
24	20
25	8
26	6
27	6
28	9
29	2
30	10
31	18
32	19
33	13
34	57
35	1
36	1
37	9
38	10
39	8
40	5
41	8
42	8
43	26
44	5
45	5
46	6
47	39
48	41
49	6
50	9
51	50
52	6
53	32
54	6
55	4
56	8
57	2
58	79
59	28
60	23
61	33
62	78
63	31
64	35
65	19
66	32
67	46
68	7
69	6
70	116
71	39
72	7
73	20
74	6
75	35
76	8

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	1
7	1
8	14
9	5
10	5
11	5
12	1
13	7
14	6
15	5
16	7
17	12
18	1
19	5
20	1
21	6
22	29
23	23
24	20
25	8
26	6
27	6
28	9
29	2
30	10
31	18
32	19
33	13
34	57
35	1
36	1
37	9
38	10
39	8
40	5
41	8
42	8
43	26
44	5
45	5
46	6
47	39
48	41
49	6
50	9
51	50
52	6
53	32
54	6
55	4
56	8
57	2
58	79
59	28
60	23
61	33
62	78
63	31
64	35
65	19
66	32
67	46
68	7
69	6
70	116
71	39
72	7
73	20
74	6
75	35
76	8

cp's OEIS Frontend

A153090 Least k(n) such that k(n)*3^n*(3^n-1)+j is prime with j= -1 or 1 or both.

Table of values

List of values

A153090 Least k(n) such that k(n)3^n(3^n-1)+j is prime with j= -1 or 1 or both.

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	1
7	1
8	14
9	5
10	5
11	5
12	1
13	7
14	6
15	5
16	7
17	12
18	1
19	5
20	1
21	6
22	29
23	23
24	20
25	8
26	6
27	6
28	9
29	2
30	10
31	18
32	19
33	13
34	57
35	1
36	1
37	9
38	10
39	8
40	5
41	8
42	8
43	26
44	5
45	5
46	6
47	39
48	41
49	6
50	9
51	50
52	6
53	32
54	6
55	4
56	8
57	2
58	79
59	28
60	23
61	33
62	78
63	31
64	35
65	19
66	32
67	46
68	7
69	6
70	116
71	39
72	7
73	20
74	6
75	35
76	8