A074325 - cp's OEIS frontend

A074325 Difference between (1+2^n)-th and (2^n)-th primes. Also number of terms in blocks of A073798.

n	a(n)
0	1
1	2
2	4
3	4
4	6
5	6
6	2
7	8
8	2
9	2
10	6
11	18
12	18
13	30
14	8
15	24
16	6
17	2
18	18
19	4
20	26
21	30
22	34
23	2
24	10
25	30
26	10
27	2
28	30
29	6
30	70
31	4
32	12
33	22
34	6
35	24
36	26
37	10
38	88
39	2
40	50
41	18
42	6
43	20
44	14
45	4
46	12
47	6
48	2
49	56
50	4
51	30
52	42
53	6
54	70
55	74
56	14
57	60
58	170
59	14
60	44
61	22
62	52
63	36
64	96
65	6
66	86
67	86
68	72
69	48
70	42
71	18
72	20
73	24
74	10
75	154
76	54
77	20
78	12

[1, 2, 4, 4, 6, 6, 2, 8, 2, 2, 6, 18, 18, 30, 8, 24, 6, 2, 18, 4, 26, 30, 34, 2, 10, 30, 10, 2, 30, 6, 70, 4, 12, 22, 6, 24, 26, 10, 88, 2, 50, 18, 6, 20, 14, 4, 12, 6, 2, 56, 4, 30, 42, 6, 70, 74, 14, 60, 170, 14, 44, 22, 52, 36, 96, 6, 86, 86, 72, 48, 42, 18, 20, 24, 10, 154, 54, 20, 12]

cp's OEIS Frontend

A074325 Difference between (1+2^n)-th and (2^n)-th primes. Also number of terms in blocks of A073798.

Table of values

List of values

n	a(n)
0	1
1	2
2	4
3	4
4	6
5	6
6	2
7	8
8	2
9	2
10	6
11	18
12	18
13	30
14	8
15	24
16	6
17	2
18	18
19	4
20	26
21	30
22	34
23	2
24	10
25	30
26	10
27	2
28	30
29	6
30	70
31	4
32	12
33	22
34	6
35	24
36	26
37	10
38	88
39	2
40	50
41	18
42	6
43	20
44	14
45	4
46	12
47	6
48	2
49	56
50	4
51	30
52	42
53	6
54	70
55	74
56	14
57	60
58	170
59	14
60	44
61	22
62	52
63	36
64	96
65	6
66	86
67	86
68	72
69	48
70	42
71	18
72	20
73	24
74	10
75	154
76	54
77	20
78	12

n	a(n)
0	1
1	2
2	4
3	4
4	6
5	6
6	2
7	8
8	2
9	2
10	6
11	18
12	18
13	30
14	8
15	24
16	6
17	2
18	18
19	4
20	26
21	30
22	34
23	2
24	10
25	30
26	10
27	2
28	30
29	6
30	70
31	4
32	12
33	22
34	6
35	24
36	26
37	10
38	88
39	2
40	50
41	18
42	6
43	20
44	14
45	4
46	12
47	6
48	2
49	56
50	4
51	30
52	42
53	6
54	70
55	74
56	14
57	60
58	170
59	14
60	44
61	22
62	52
63	36
64	96
65	6
66	86
67	86
68	72
69	48
70	42
71	18
72	20
73	24
74	10
75	154
76	54
77	20
78	12

n	a(n)
0	1
1	2
2	4
3	4
4	6
5	6
6	2
7	8
8	2
9	2
10	6
11	18
12	18
13	30
14	8
15	24
16	6
17	2
18	18
19	4
20	26
21	30
22	34
23	2
24	10
25	30
26	10
27	2
28	30
29	6
30	70
31	4
32	12
33	22
34	6
35	24
36	26
37	10
38	88
39	2
40	50
41	18
42	6
43	20
44	14
45	4
46	12
47	6
48	2
49	56
50	4
51	30
52	42
53	6
54	70
55	74
56	14
57	60
58	170
59	14
60	44
61	22
62	52
63	36
64	96
65	6
66	86
67	86
68	72
69	48
70	42
71	18
72	20
73	24
74	10
75	154
76	54
77	20
78	12