A228454 - cp's OEIS frontend

A228454 Gap g such that k2^n-1 , k2^n-1+g , k2^n-1+2g or k2^n-1-g , k2^n-1 , k*2^n-1+g are consecutive primes in arithmetic progression for the smallest prime k.

n	a(n)
1	2
2	12
3	6
4	6
5	6
6	6
7	24
8	6
9	6
10	12
11	6
12	30
13	18
14	6
15	18
16	6
17	30
18	6
19	6
20	36
21	6
22	18
23	36
24	12
25	6
26	6
27	6
28	6
29	6
30	72
31	6
32	6
33	6
34	6
35	6
36	6
37	18
38	6
39	6
40	60
41	6
42	12
43	6
44	12
45	18
46	6
47	18
48	6
49	30
50	30
51	60
52	48
53	78
54	36
55	54
56	78
57	36
58	6
59	6
60	54
61	6
62	54
63	12
64	78
65	6
66	108
67	108
68	30
69	6
70	60
71	24
72	48
73	18
74	6
75	42

[2, 12, 6, 6, 6, 6, 24, 6, 6, 12, 6, 30, 18, 6, 18, 6, 30, 6, 6, 36, 6, 18, 36, 12, 6, 6, 6, 6, 6, 72, 6, 6, 6, 6, 6, 6, 18, 6, 6, 60, 6, 12, 6, 12, 18, 6, 18, 6, 30, 30, 60, 48, 78, 36, 54, 78, 36, 6, 6, 54, 6, 54, 12, 78, 6, 108, 108, 30, 6, 60, 24, 48, 18, 6, 42]

cp's OEIS Frontend

A228454 Gap g such that k2^n-1 , k2^n-1+g , k2^n-1+2g or k2^n-1-g , k2^n-1 , k*2^n-1+g are consecutive primes in arithmetic progression for the smallest prime k.

Table of values

List of values

n	a(n)
1	2
2	12
3	6
4	6
5	6
6	6
7	24
8	6
9	6
10	12
11	6
12	30
13	18
14	6
15	18
16	6
17	30
18	6
19	6
20	36
21	6
22	18
23	36
24	12
25	6
26	6
27	6
28	6
29	6
30	72
31	6
32	6
33	6
34	6
35	6
36	6
37	18
38	6
39	6
40	60
41	6
42	12
43	6
44	12
45	18
46	6
47	18
48	6
49	30
50	30
51	60
52	48
53	78
54	36
55	54
56	78
57	36
58	6
59	6
60	54
61	6
62	54
63	12
64	78
65	6
66	108
67	108
68	30
69	6
70	60
71	24
72	48
73	18
74	6
75	42

n	a(n)
1	2
2	12
3	6
4	6
5	6
6	6
7	24
8	6
9	6
10	12
11	6
12	30
13	18
14	6
15	18
16	6
17	30
18	6
19	6
20	36
21	6
22	18
23	36
24	12
25	6
26	6
27	6
28	6
29	6
30	72
31	6
32	6
33	6
34	6
35	6
36	6
37	18
38	6
39	6
40	60
41	6
42	12
43	6
44	12
45	18
46	6
47	18
48	6
49	30
50	30
51	60
52	48
53	78
54	36
55	54
56	78
57	36
58	6
59	6
60	54
61	6
62	54
63	12
64	78
65	6
66	108
67	108
68	30
69	6
70	60
71	24
72	48
73	18
74	6
75	42

cp's OEIS Frontend

A228454 Gap g such that k*2^n-1 , k*2^n-1+g , k*2^n-1+2*g or k*2^n-1-g , k*2^n-1 , k*2^n-1+g are consecutive primes in arithmetic progression for the smallest prime k.

Table of values

List of values

A228454 Gap g such that k2^n-1 , k2^n-1+g , k2^n-1+2g or k2^n-1-g , k2^n-1 , k*2^n-1+g are consecutive primes in arithmetic progression for the smallest prime k.

n	a(n)
1	2
2	12
3	6
4	6
5	6
6	6
7	24
8	6
9	6
10	12
11	6
12	30
13	18
14	6
15	18
16	6
17	30
18	6
19	6
20	36
21	6
22	18
23	36
24	12
25	6
26	6
27	6
28	6
29	6
30	72
31	6
32	6
33	6
34	6
35	6
36	6
37	18
38	6
39	6
40	60
41	6
42	12
43	6
44	12
45	18
46	6
47	18
48	6
49	30
50	30
51	60
52	48
53	78
54	36
55	54
56	78
57	36
58	6
59	6
60	54
61	6
62	54
63	12
64	78
65	6
66	108
67	108
68	30
69	6
70	60
71	24
72	48
73	18
74	6
75	42