A195352 - cp's OEIS frontend

A195352 Smallest prime p such that 2n+1 = 2p + q for some odd prime q.

n	a(n)
3	2
4	2
5	2
6	3
7	2
8	2
9	3
10	2
11	2
12	3
13	2
14	3
15	7
16	2
17	2
18	3
19	5
20	2
21	3
22	2
23	2
24	3
25	2
26	3
27	7
28	2
29	3
30	7
31	2
32	2
33	3
34	5
35	2
36	3
37	2
38	2
39	3
40	5
41	2
42	3
43	2
44	3
45	19
46	2
47	3
48	7
49	5
50	2
51	3
52	2
53	2
54	3
55	2
56	2
57	3
58	2
59	3
60	7
61	5
62	11
63	7
64	11
65	2
66	3
67	2
68	3
69	13
70	2
71	2
72	3
73	5
74	5
75	7
76	2
77	2
78	3
79	5
80	2
81	3
82	7
83	2
84	3
85	2
86	3
87	13

[2, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 3, 7, 2, 2, 3, 5, 2, 3, 2, 2, 3, 2, 3, 7, 2, 3, 7, 2, 2, 3, 5, 2, 3, 2, 2, 3, 5, 2, 3, 2, 3, 19, 2, 3, 7, 5, 2, 3, 2, 2, 3, 2, 2, 3, 2, 3, 7, 5, 11, 7, 11, 2, 3, 2, 3, 13, 2, 2, 3, 5, 5, 7, 2, 2, 3, 5, 2, 3, 7, 2, 3, 2, 3, 13]

cp's OEIS Frontend

A195352 Smallest prime p such that 2n+1 = 2p + q for some odd prime q.

Table of values

List of values

n	a(n)
3	2
4	2
5	2
6	3
7	2
8	2
9	3
10	2
11	2
12	3
13	2
14	3
15	7
16	2
17	2
18	3
19	5
20	2
21	3
22	2
23	2
24	3
25	2
26	3
27	7
28	2
29	3
30	7
31	2
32	2
33	3
34	5
35	2
36	3
37	2
38	2
39	3
40	5
41	2
42	3
43	2
44	3
45	19
46	2
47	3
48	7
49	5
50	2
51	3
52	2
53	2
54	3
55	2
56	2
57	3
58	2
59	3
60	7
61	5
62	11
63	7
64	11
65	2
66	3
67	2
68	3
69	13
70	2
71	2
72	3
73	5
74	5
75	7
76	2
77	2
78	3
79	5
80	2
81	3
82	7
83	2
84	3
85	2
86	3
87	13

n	a(n)
3	2
4	2
5	2
6	3
7	2
8	2
9	3
10	2
11	2
12	3
13	2
14	3
15	7
16	2
17	2
18	3
19	5
20	2
21	3
22	2
23	2
24	3
25	2
26	3
27	7
28	2
29	3
30	7
31	2
32	2
33	3
34	5
35	2
36	3
37	2
38	2
39	3
40	5
41	2
42	3
43	2
44	3
45	19
46	2
47	3
48	7
49	5
50	2
51	3
52	2
53	2
54	3
55	2
56	2
57	3
58	2
59	3
60	7
61	5
62	11
63	7
64	11
65	2
66	3
67	2
68	3
69	13
70	2
71	2
72	3
73	5
74	5
75	7
76	2
77	2
78	3
79	5
80	2
81	3
82	7
83	2
84	3
85	2
86	3
87	13

cp's OEIS Frontend

A195352 Smallest prime p such that 2*n+1 = 2*p + q for some odd prime q.

Table of values

List of values

A195352 Smallest prime p such that 2n+1 = 2p + q for some odd prime q.

n	a(n)
3	2
4	2
5	2
6	3
7	2
8	2
9	3
10	2
11	2
12	3
13	2
14	3
15	7
16	2
17	2
18	3
19	5
20	2
21	3
22	2
23	2
24	3
25	2
26	3
27	7
28	2
29	3
30	7
31	2
32	2
33	3
34	5
35	2
36	3
37	2
38	2
39	3
40	5
41	2
42	3
43	2
44	3
45	19
46	2
47	3
48	7
49	5
50	2
51	3
52	2
53	2
54	3
55	2
56	2
57	3
58	2
59	3
60	7
61	5
62	11
63	7
64	11
65	2
66	3
67	2
68	3
69	13
70	2
71	2
72	3
73	5
74	5
75	7
76	2
77	2
78	3
79	5
80	2
81	3
82	7
83	2
84	3
85	2
86	3
87	13