A167506 - cp's OEIS frontend

A167506 Number of m >= 0, m <= n such that 2^(n-m)3^m + 1 or 2^(n-m)3^m - 1 is prime.

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

[2, 2, 3, 4, 5, 2, 6, 7, 6, 3, 5, 1, 10, 1, 3, 8, 10, 2, 7, 4, 3, 2, 9, 1, 5, 1, 5, 5, 6, 2, 13, 6, 3, 1, 9, 5, 10, 2, 5, 7, 13, 1, 11, 6, 4, 0, 12, 1, 8, 3, 7, 9, 11, 1, 7, 7, 4, 2, 11, 1, 11, 2, 9, 6, 6, 1, 13, 8, 8, 1, 9, 2, 13, 0, 5, 4, 12, 1, 11, 2, 10, 3, 13, 2, 8, 2, 4, 6, 9, 1, 6, 7, 4, 1, 8, 1, 9, 1]

cp's OEIS Frontend

A167506 Number of m >= 0, m <= n such that 2^(n-m)3^m + 1 or 2^(n-m)3^m - 1 is prime.

Table of values

List of values

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

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

cp's OEIS Frontend

A167506 Number of m >= 0, m <= n such that 2^(n-m)*3^m + 1 or 2^(n-m)*3^m - 1 is prime.

Table of values

List of values

A167506 Number of m >= 0, m <= n such that 2^(n-m)3^m + 1 or 2^(n-m)3^m - 1 is prime.

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