A218769 - cp's OEIS frontend

A218769 Let (p,p+2) be the n-th twin prime pair. a(n) is the least integer r > 1 for which the interval (rp, r(p+2)) contains no primes, or a(n)=0, if no such r exists.

n	a(n)
1	0
2	0
3	0
4	0
5	4
6	0
7	2
8	2
9	2
10	2
11	3
12	2
13	5
14	5
15	4
16	5
17	4
18	4
19	3
20	2
21	2
22	4
23	4
24	2
25	2
26	2
27	6
28	3
29	3
30	4
31	3
32	2
33	3
34	2
35	2
36	7
37	3
38	3
39	2
40	2
41	2
42	6
43	0
44	3
45	2
46	2
47	5
48	5
49	23
50	2
51	3
52	2
53	2
54	2
55	2
56	2
57	2
58	2
59	3
60	2
61	2
62	3
63	2
64	5
65	2

[0, 0, 0, 0, 4, 0, 2, 2, 2, 2, 3, 2, 5, 5, 4, 5, 4, 4, 3, 2, 2, 4, 4, 2, 2, 2, 6, 3, 3, 4, 3, 2, 3, 2, 2, 7, 3, 3, 2, 2, 2, 6, 0, 3, 2, 2, 5, 5, 23, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 3, 2, 5, 2]

cp's OEIS Frontend

A218769 Let (p,p+2) be the n-th twin prime pair. a(n) is the least integer r > 1 for which the interval (rp, r(p+2)) contains no primes, or a(n)=0, if no such r exists.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	4
6	0
7	2
8	2
9	2
10	2
11	3
12	2
13	5
14	5
15	4
16	5
17	4
18	4
19	3
20	2
21	2
22	4
23	4
24	2
25	2
26	2
27	6
28	3
29	3
30	4
31	3
32	2
33	3
34	2
35	2
36	7
37	3
38	3
39	2
40	2
41	2
42	6
43	0
44	3
45	2
46	2
47	5
48	5
49	23
50	2
51	3
52	2
53	2
54	2
55	2
56	2
57	2
58	2
59	3
60	2
61	2
62	3
63	2
64	5
65	2

n	a(n)
1	0
2	0
3	0
4	0
5	4
6	0
7	2
8	2
9	2
10	2
11	3
12	2
13	5
14	5
15	4
16	5
17	4
18	4
19	3
20	2
21	2
22	4
23	4
24	2
25	2
26	2
27	6
28	3
29	3
30	4
31	3
32	2
33	3
34	2
35	2
36	7
37	3
38	3
39	2
40	2
41	2
42	6
43	0
44	3
45	2
46	2
47	5
48	5
49	23
50	2
51	3
52	2
53	2
54	2
55	2
56	2
57	2
58	2
59	3
60	2
61	2
62	3
63	2
64	5
65	2

cp's OEIS Frontend

A218769 Let (p,p+2) be the n-th twin prime pair. a(n) is the least integer r > 1 for which the interval (r*p, r*(p+2)) contains no primes, or a(n)=0, if no such r exists.

Table of values

List of values

A218769 Let (p,p+2) be the n-th twin prime pair. a(n) is the least integer r > 1 for which the interval (rp, r(p+2)) contains no primes, or a(n)=0, if no such r exists.

n	a(n)
1	0
2	0
3	0
4	0
5	4
6	0
7	2
8	2
9	2
10	2
11	3
12	2
13	5
14	5
15	4
16	5
17	4
18	4
19	3
20	2
21	2
22	4
23	4
24	2
25	2
26	2
27	6
28	3
29	3
30	4
31	3
32	2
33	3
34	2
35	2
36	7
37	3
38	3
39	2
40	2
41	2
42	6
43	0
44	3
45	2
46	2
47	5
48	5
49	23
50	2
51	3
52	2
53	2
54	2
55	2
56	2
57	2
58	2
59	3
60	2
61	2
62	3
63	2
64	5
65	2