A200996 - cp's OEIS frontend

A200996 Least upper limit for numbers u and v such that un-1 and vn+1 are both prime, u and v not necessarily distinct.

n	a(n)
1	3
2	2
3	2
4	1
5	4
6	1
7	4
8	2
9	2
10	2
11	4
12	1
13	8
14	2
15	2
16	2
17	6
18	1
19	10
20	2
21	2
22	2
23	6
24	3
25	6
26	4
27	4
28	3
29	6
30	1
31	10
32	3
33	4
34	3
35	4
36	2
37	4
38	5
39	6
40	2
41	4
42	1
43	6
44	2
45	4
46	3
47	6
48	2
49	4
50	3
51	2
52	2
53	4
54	2
55	6
56	3
57	4
58	3
59	12
60	1
61	8
62	5
63	4
64	3
65	6
66	2
67	6
68	2
69	2
70	2
71	8
72	1
73	14
74	2
75	2
76	3
77	6
78	3
79	4
80	3
81	8
82	2
83	4
84	4
85	12

[3, 2, 2, 1, 4, 1, 4, 2, 2, 2, 4, 1, 8, 2, 2, 2, 6, 1, 10, 2, 2, 2, 6, 3, 6, 4, 4, 3, 6, 1, 10, 3, 4, 3, 4, 2, 4, 5, 6, 2, 4, 1, 6, 2, 4, 3, 6, 2, 4, 3, 2, 2, 4, 2, 6, 3, 4, 3, 12, 1, 8, 5, 4, 3, 6, 2, 6, 2, 2, 2, 8, 1, 14, 2, 2, 3, 6, 3, 4, 3, 8, 2, 4, 4, 12]

cp's OEIS Frontend

A200996 Least upper limit for numbers u and v such that un-1 and vn+1 are both prime, u and v not necessarily distinct.

Table of values

List of values

n	a(n)
1	3
2	2
3	2
4	1
5	4
6	1
7	4
8	2
9	2
10	2
11	4
12	1
13	8
14	2
15	2
16	2
17	6
18	1
19	10
20	2
21	2
22	2
23	6
24	3
25	6
26	4
27	4
28	3
29	6
30	1
31	10
32	3
33	4
34	3
35	4
36	2
37	4
38	5
39	6
40	2
41	4
42	1
43	6
44	2
45	4
46	3
47	6
48	2
49	4
50	3
51	2
52	2
53	4
54	2
55	6
56	3
57	4
58	3
59	12
60	1
61	8
62	5
63	4
64	3
65	6
66	2
67	6
68	2
69	2
70	2
71	8
72	1
73	14
74	2
75	2
76	3
77	6
78	3
79	4
80	3
81	8
82	2
83	4
84	4
85	12

n	a(n)
1	3
2	2
3	2
4	1
5	4
6	1
7	4
8	2
9	2
10	2
11	4
12	1
13	8
14	2
15	2
16	2
17	6
18	1
19	10
20	2
21	2
22	2
23	6
24	3
25	6
26	4
27	4
28	3
29	6
30	1
31	10
32	3
33	4
34	3
35	4
36	2
37	4
38	5
39	6
40	2
41	4
42	1
43	6
44	2
45	4
46	3
47	6
48	2
49	4
50	3
51	2
52	2
53	4
54	2
55	6
56	3
57	4
58	3
59	12
60	1
61	8
62	5
63	4
64	3
65	6
66	2
67	6
68	2
69	2
70	2
71	8
72	1
73	14
74	2
75	2
76	3
77	6
78	3
79	4
80	3
81	8
82	2
83	4
84	4
85	12

cp's OEIS Frontend

A200996 Least upper limit for numbers u and v such that u*n-1 and v*n+1 are both prime, u and v not necessarily distinct.

Table of values

List of values

A200996 Least upper limit for numbers u and v such that un-1 and vn+1 are both prime, u and v not necessarily distinct.

n	a(n)
1	3
2	2
3	2
4	1
5	4
6	1
7	4
8	2
9	2
10	2
11	4
12	1
13	8
14	2
15	2
16	2
17	6
18	1
19	10
20	2
21	2
22	2
23	6
24	3
25	6
26	4
27	4
28	3
29	6
30	1
31	10
32	3
33	4
34	3
35	4
36	2
37	4
38	5
39	6
40	2
41	4
42	1
43	6
44	2
45	4
46	3
47	6
48	2
49	4
50	3
51	2
52	2
53	4
54	2
55	6
56	3
57	4
58	3
59	12
60	1
61	8
62	5
63	4
64	3
65	6
66	2
67	6
68	2
69	2
70	2
71	8
72	1
73	14
74	2
75	2
76	3
77	6
78	3
79	4
80	3
81	8
82	2
83	4
84	4
85	12