A153093 - cp's OEIS frontend

A153093 Least k(n) such that k(n)7^n(7^n-1)+j is prime with j= -1 or 1 or both.

n	a(n)
1	1
2	1
3	1
4	2
5	9
6	1
7	2
8	1
9	1
10	5
11	13
12	1
13	6
14	1
15	6
16	14
17	4
18	4
19	7
20	5
21	6
22	5
23	12
24	3
25	6
26	3
27	9
28	3
29	20
30	9
31	14
32	7
33	43
34	22
35	5
36	11
37	4
38	4
39	48
40	14
41	8
42	56
43	36
44	7
45	83
46	47
47	47
48	1
49	2
50	74
51	15
52	12
53	22
54	15
55	17
56	47
57	20
58	20
59	5
60	8
61	12
62	26
63	6
64	26
65	55
66	16
67	32
68	45
69	24
70	46
71	19
72	58
73	6
74	29
75	19
76	26
77	83
78	45
79	17
80	48
81	6
82	16
83	152

[1, 1, 1, 2, 9, 1, 2, 1, 1, 5, 13, 1, 6, 1, 6, 14, 4, 4, 7, 5, 6, 5, 12, 3, 6, 3, 9, 3, 20, 9, 14, 7, 43, 22, 5, 11, 4, 4, 48, 14, 8, 56, 36, 7, 83, 47, 47, 1, 2, 74, 15, 12, 22, 15, 17, 47, 20, 20, 5, 8, 12, 26, 6, 26, 55, 16, 32, 45, 24, 46, 19, 58, 6, 29, 19, 26, 83, 45, 17, 48, 6, 16, 152]

cp's OEIS Frontend

A153093 Least k(n) such that k(n)7^n(7^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	2
5	9
6	1
7	2
8	1
9	1
10	5
11	13
12	1
13	6
14	1
15	6
16	14
17	4
18	4
19	7
20	5
21	6
22	5
23	12
24	3
25	6
26	3
27	9
28	3
29	20
30	9
31	14
32	7
33	43
34	22
35	5
36	11
37	4
38	4
39	48
40	14
41	8
42	56
43	36
44	7
45	83
46	47
47	47
48	1
49	2
50	74
51	15
52	12
53	22
54	15
55	17
56	47
57	20
58	20
59	5
60	8
61	12
62	26
63	6
64	26
65	55
66	16
67	32
68	45
69	24
70	46
71	19
72	58
73	6
74	29
75	19
76	26
77	83
78	45
79	17
80	48
81	6
82	16
83	152

n	a(n)
1	1
2	1
3	1
4	2
5	9
6	1
7	2
8	1
9	1
10	5
11	13
12	1
13	6
14	1
15	6
16	14
17	4
18	4
19	7
20	5
21	6
22	5
23	12
24	3
25	6
26	3
27	9
28	3
29	20
30	9
31	14
32	7
33	43
34	22
35	5
36	11
37	4
38	4
39	48
40	14
41	8
42	56
43	36
44	7
45	83
46	47
47	47
48	1
49	2
50	74
51	15
52	12
53	22
54	15
55	17
56	47
57	20
58	20
59	5
60	8
61	12
62	26
63	6
64	26
65	55
66	16
67	32
68	45
69	24
70	46
71	19
72	58
73	6
74	29
75	19
76	26
77	83
78	45
79	17
80	48
81	6
82	16
83	152

cp's OEIS Frontend

A153093 Least k(n) such that k(n)*7^n*(7^n-1)+j is prime with j= -1 or 1 or both.

Table of values

List of values

A153093 Least k(n) such that k(n)7^n(7^n-1)+j is prime with j= -1 or 1 or both.

n	a(n)
1	1
2	1
3	1
4	2
5	9
6	1
7	2
8	1
9	1
10	5
11	13
12	1
13	6
14	1
15	6
16	14
17	4
18	4
19	7
20	5
21	6
22	5
23	12
24	3
25	6
26	3
27	9
28	3
29	20
30	9
31	14
32	7
33	43
34	22
35	5
36	11
37	4
38	4
39	48
40	14
41	8
42	56
43	36
44	7
45	83
46	47
47	47
48	1
49	2
50	74
51	15
52	12
53	22
54	15
55	17
56	47
57	20
58	20
59	5
60	8
61	12
62	26
63	6
64	26
65	55
66	16
67	32
68	45
69	24
70	46
71	19
72	58
73	6
74	29
75	19
76	26
77	83
78	45
79	17
80	48
81	6
82	16
83	152