A058249 - cp's OEIS frontend

A058249 (Smallest prime >= 2^n) - (largest prime <= 2^n).

n	a(n)
1	0
2	2
3	4
4	4
5	6
6	6
7	4
8	6
9	12
10	10
11	14
12	6
13	18
14	30
15	22
16	16
17	30
18	8
19	22
20	10
21	26
22	18
23	24
24	46
25	74
26	20
27	68
28	60
29	14
30	38
31	12
32	20
33	26
34	66
35	84
36	36
37	34
38	52
39	30
40	102
41	48
42	26
43	86
44	24
45	114
46	36
47	120
48	80
49	150
50	82
51	150
52	68
53	116
54	192
55	58
56	86
57	22
58	96
59	186
60	126
61	16
62	192
63	54
64	72
65	180
66	14
67	22
68	56

[0, 2, 4, 4, 6, 6, 4, 6, 12, 10, 14, 6, 18, 30, 22, 16, 30, 8, 22, 10, 26, 18, 24, 46, 74, 20, 68, 60, 14, 38, 12, 20, 26, 66, 84, 36, 34, 52, 30, 102, 48, 26, 86, 24, 114, 36, 120, 80, 150, 82, 150, 68, 116, 192, 58, 86, 22, 96, 186, 126, 16, 192, 54, 72, 180, 14, 22, 56]

cp's OEIS Frontend

A058249 (Smallest prime >= 2^n) - (largest prime <= 2^n).

Table of values

List of values

n	a(n)
1	0
2	2
3	4
4	4
5	6
6	6
7	4
8	6
9	12
10	10
11	14
12	6
13	18
14	30
15	22
16	16
17	30
18	8
19	22
20	10
21	26
22	18
23	24
24	46
25	74
26	20
27	68
28	60
29	14
30	38
31	12
32	20
33	26
34	66
35	84
36	36
37	34
38	52
39	30
40	102
41	48
42	26
43	86
44	24
45	114
46	36
47	120
48	80
49	150
50	82
51	150
52	68
53	116
54	192
55	58
56	86
57	22
58	96
59	186
60	126
61	16
62	192
63	54
64	72
65	180
66	14
67	22
68	56

n	a(n)
1	0
2	2
3	4
4	4
5	6
6	6
7	4
8	6
9	12
10	10
11	14
12	6
13	18
14	30
15	22
16	16
17	30
18	8
19	22
20	10
21	26
22	18
23	24
24	46
25	74
26	20
27	68
28	60
29	14
30	38
31	12
32	20
33	26
34	66
35	84
36	36
37	34
38	52
39	30
40	102
41	48
42	26
43	86
44	24
45	114
46	36
47	120
48	80
49	150
50	82
51	150
52	68
53	116
54	192
55	58
56	86
57	22
58	96
59	186
60	126
61	16
62	192
63	54
64	72
65	180
66	14
67	22
68	56

n	a(n)
1	0
2	2
3	4
4	4
5	6
6	6
7	4
8	6
9	12
10	10
11	14
12	6
13	18
14	30
15	22
16	16
17	30
18	8
19	22
20	10
21	26
22	18
23	24
24	46
25	74
26	20
27	68
28	60
29	14
30	38
31	12
32	20
33	26
34	66
35	84
36	36
37	34
38	52
39	30
40	102
41	48
42	26
43	86
44	24
45	114
46	36
47	120
48	80
49	150
50	82
51	150
52	68
53	116
54	192
55	58
56	86
57	22
58	96
59	186
60	126
61	16
62	192
63	54
64	72
65	180
66	14
67	22
68	56