A193262 - cp's OEIS frontend

A193262 Number of representations of 2p_n as sum of two primes p,q such that pq-2 is prime (p_n is the n-th prime).

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	3
7	1
8	1
9	2
10	2
11	0
12	3
13	0
14	2
15	3
16	4
17	2
18	1
19	3
20	4
21	2
22	0
23	4
24	2
25	5
26	2
27	2
28	5
29	2
30	2
31	5
32	2
33	4
34	1
35	0
36	1
37	2
38	0
39	8
40	3
41	0
42	2
43	2
44	5
45	3
46	0
47	1
48	5
49	7
50	1
51	3
52	1
53	2
54	4
55	5
56	5
57	1
58	0
59	3
60	2
61	4
62	3
63	4
64	2
65	3
66	3
67	1
68	3
69	2
70	0
71	8
72	3
73	4
74	3
75	0
76	9
77	1
78	6
79	0
80	2
81	5
82	2
83	2
84	9
85	1
86	5
87	4
88	3
89	1
90	7
91	5
92	2
93	4
94	2
95	1

[1, 1, 2, 2, 1, 3, 1, 1, 2, 2, 0, 3, 0, 2, 3, 4, 2, 1, 3, 4, 2, 0, 4, 2, 5, 2, 2, 5, 2, 2, 5, 2, 4, 1, 0, 1, 2, 0, 8, 3, 0, 2, 2, 5, 3, 0, 1, 5, 7, 1, 3, 1, 2, 4, 5, 5, 1, 0, 3, 2, 4, 3, 4, 2, 3, 3, 1, 3, 2, 0, 8, 3, 4, 3, 0, 9, 1, 6, 0, 2, 5, 2, 2, 9, 1, 5, 4, 3, 1, 7, 5, 2, 4, 2, 1]

cp's OEIS Frontend

A193262 Number of representations of 2p_n as sum of two primes p,q such that pq-2 is prime (p_n is the n-th prime).

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	3
7	1
8	1
9	2
10	2
11	0
12	3
13	0
14	2
15	3
16	4
17	2
18	1
19	3
20	4
21	2
22	0
23	4
24	2
25	5
26	2
27	2
28	5
29	2
30	2
31	5
32	2
33	4
34	1
35	0
36	1
37	2
38	0
39	8
40	3
41	0
42	2
43	2
44	5
45	3
46	0
47	1
48	5
49	7
50	1
51	3
52	1
53	2
54	4
55	5
56	5
57	1
58	0
59	3
60	2
61	4
62	3
63	4
64	2
65	3
66	3
67	1
68	3
69	2
70	0
71	8
72	3
73	4
74	3
75	0
76	9
77	1
78	6
79	0
80	2
81	5
82	2
83	2
84	9
85	1
86	5
87	4
88	3
89	1
90	7
91	5
92	2
93	4
94	2
95	1

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	3
7	1
8	1
9	2
10	2
11	0
12	3
13	0
14	2
15	3
16	4
17	2
18	1
19	3
20	4
21	2
22	0
23	4
24	2
25	5
26	2
27	2
28	5
29	2
30	2
31	5
32	2
33	4
34	1
35	0
36	1
37	2
38	0
39	8
40	3
41	0
42	2
43	2
44	5
45	3
46	0
47	1
48	5
49	7
50	1
51	3
52	1
53	2
54	4
55	5
56	5
57	1
58	0
59	3
60	2
61	4
62	3
63	4
64	2
65	3
66	3
67	1
68	3
69	2
70	0
71	8
72	3
73	4
74	3
75	0
76	9
77	1
78	6
79	0
80	2
81	5
82	2
83	2
84	9
85	1
86	5
87	4
88	3
89	1
90	7
91	5
92	2
93	4
94	2
95	1

cp's OEIS Frontend

A193262 Number of representations of 2*p_n as sum of two primes p,q such that p*q-2 is prime (p_n is the n-th prime).

Table of values

List of values

A193262 Number of representations of 2p_n as sum of two primes p,q such that pq-2 is prime (p_n is the n-th prime).

n	a(n)
1	1
2	1
3	2
4	2
5	1
6	3
7	1
8	1
9	2
10	2
11	0
12	3
13	0
14	2
15	3
16	4
17	2
18	1
19	3
20	4
21	2
22	0
23	4
24	2
25	5
26	2
27	2
28	5
29	2
30	2
31	5
32	2
33	4
34	1
35	0
36	1
37	2
38	0
39	8
40	3
41	0
42	2
43	2
44	5
45	3
46	0
47	1
48	5
49	7
50	1
51	3
52	1
53	2
54	4
55	5
56	5
57	1
58	0
59	3
60	2
61	4
62	3
63	4
64	2
65	3
66	3
67	1
68	3
69	2
70	0
71	8
72	3
73	4
74	3
75	0
76	9
77	1
78	6
79	0
80	2
81	5
82	2
83	2
84	9
85	1
86	5
87	4
88	3
89	1
90	7
91	5
92	2
93	4
94	2
95	1