A101462 - cp's OEIS frontend

A101462 Smallest k such that 2^k-prime(n) is prime.

n	a(n)
1	2
2	3
3	3
4	39
5	4
6	4
7	6
8	5
9	6
10	5
11	7
12	11
13	6
14	29
15	6
16	6
17	6
18	6
19	7
20	10
21	9
22	9
23	8
24	8
25	7
26	26
27	9
28	8
29	7
30	10
31	47
32	14
33	10
34	9
35	12
36	31
37	15
38	9
39	8
40	8
41	12
42	9
43	14
44	21
45	10
46	9
47	25
48	261
49	8
50	9
51	8
52	8
53	9
54	8
55	14
56	10
57	16
58	9
59	15
60	10
61	9
62	12
63	11
64	14
65	9
66	12
67	9
68	791
69	10
70	9
71	16
72	20
73	15
74	9
75	11
76	10
77	16
78	15
79	26
80	9
81	12
82	11
83	10

[2, 3, 3, 39, 4, 4, 6, 5, 6, 5, 7, 11, 6, 29, 6, 6, 6, 6, 7, 10, 9, 9, 8, 8, 7, 26, 9, 8, 7, 10, 47, 14, 10, 9, 12, 31, 15, 9, 8, 8, 12, 9, 14, 21, 10, 9, 25, 261, 8, 9, 8, 8, 9, 8, 14, 10, 16, 9, 15, 10, 9, 12, 11, 14, 9, 12, 9, 791, 10, 9, 16, 20, 15, 9, 11, 10, 16, 15, 26, 9, 12, 11, 10]

cp's OEIS Frontend

A101462 Smallest k such that 2^k-prime(n) is prime.

Table of values

List of values

n	a(n)
1	2
2	3
3	3
4	39
5	4
6	4
7	6
8	5
9	6
10	5
11	7
12	11
13	6
14	29
15	6
16	6
17	6
18	6
19	7
20	10
21	9
22	9
23	8
24	8
25	7
26	26
27	9
28	8
29	7
30	10
31	47
32	14
33	10
34	9
35	12
36	31
37	15
38	9
39	8
40	8
41	12
42	9
43	14
44	21
45	10
46	9
47	25
48	261
49	8
50	9
51	8
52	8
53	9
54	8
55	14
56	10
57	16
58	9
59	15
60	10
61	9
62	12
63	11
64	14
65	9
66	12
67	9
68	791
69	10
70	9
71	16
72	20
73	15
74	9
75	11
76	10
77	16
78	15
79	26
80	9
81	12
82	11
83	10

n	a(n)
1	2
2	3
3	3
4	39
5	4
6	4
7	6
8	5
9	6
10	5
11	7
12	11
13	6
14	29
15	6
16	6
17	6
18	6
19	7
20	10
21	9
22	9
23	8
24	8
25	7
26	26
27	9
28	8
29	7
30	10
31	47
32	14
33	10
34	9
35	12
36	31
37	15
38	9
39	8
40	8
41	12
42	9
43	14
44	21
45	10
46	9
47	25
48	261
49	8
50	9
51	8
52	8
53	9
54	8
55	14
56	10
57	16
58	9
59	15
60	10
61	9
62	12
63	11
64	14
65	9
66	12
67	9
68	791
69	10
70	9
71	16
72	20
73	15
74	9
75	11
76	10
77	16
78	15
79	26
80	9
81	12
82	11
83	10

n	a(n)
1	2
2	3
3	3
4	39
5	4
6	4
7	6
8	5
9	6
10	5
11	7
12	11
13	6
14	29
15	6
16	6
17	6
18	6
19	7
20	10
21	9
22	9
23	8
24	8
25	7
26	26
27	9
28	8
29	7
30	10
31	47
32	14
33	10
34	9
35	12
36	31
37	15
38	9
39	8
40	8
41	12
42	9
43	14
44	21
45	10
46	9
47	25
48	261
49	8
50	9
51	8
52	8
53	9
54	8
55	14
56	10
57	16
58	9
59	15
60	10
61	9
62	12
63	11
64	14
65	9
66	12
67	9
68	791
69	10
70	9
71	16
72	20
73	15
74	9
75	11
76	10
77	16
78	15
79	26
80	9
81	12
82	11
83	10