A182663 - cp's OEIS frontend

A182663 Number of ordered ways to write n = p + q with q > 0 such that p and 2*p + prime(q) are both prime.

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	2
7	2
8	2
9	3
10	3
11	1
12	1
13	1
14	3
15	3
16	5
17	2
18	2
19	4
20	1
21	4
22	4
23	4
24	3
25	1
26	3
27	3
28	3
29	7
30	4
31	4
32	2
33	3
34	1
35	3
36	5
37	2
38	2
39	5
40	6
41	1
42	6
43	5
44	2
45	4
46	6
47	4
48	3
49	3
50	4
51	4
52	6
53	4
54	3
55	5
56	2
57	3
58	5
59	5
60	2
61	6
62	3
63	6
64	5
65	5
66	4
67	7
68	4
69	4
70	8
71	6
72	6
73	5
74	5
75	4
76	8
77	7
78	6
79	4
80	4
81	5
82	6
83	4
84	5
85	4
86	3
87	7
88	9
89	9
90	4
91	8
92	5
93	6
94	2
95	9
96	6
97	7
98	1
99	7
100	8

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

cp's OEIS Frontend

A182663 Number of ordered ways to write n = p + q with q > 0 such that p and 2*p + prime(q) are both prime.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	2
7	2
8	2
9	3
10	3
11	1
12	1
13	1
14	3
15	3
16	5
17	2
18	2
19	4
20	1
21	4
22	4
23	4
24	3
25	1
26	3
27	3
28	3
29	7
30	4
31	4
32	2
33	3
34	1
35	3
36	5
37	2
38	2
39	5
40	6
41	1
42	6
43	5
44	2
45	4
46	6
47	4
48	3
49	3
50	4
51	4
52	6
53	4
54	3
55	5
56	2
57	3
58	5
59	5
60	2
61	6
62	3
63	6
64	5
65	5
66	4
67	7
68	4
69	4
70	8
71	6
72	6
73	5
74	5
75	4
76	8
77	7
78	6
79	4
80	4
81	5
82	6
83	4
84	5
85	4
86	3
87	7
88	9
89	9
90	4
91	8
92	5
93	6
94	2
95	9
96	6
97	7
98	1
99	7
100	8

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	2
7	2
8	2
9	3
10	3
11	1
12	1
13	1
14	3
15	3
16	5
17	2
18	2
19	4
20	1
21	4
22	4
23	4
24	3
25	1
26	3
27	3
28	3
29	7
30	4
31	4
32	2
33	3
34	1
35	3
36	5
37	2
38	2
39	5
40	6
41	1
42	6
43	5
44	2
45	4
46	6
47	4
48	3
49	3
50	4
51	4
52	6
53	4
54	3
55	5
56	2
57	3
58	5
59	5
60	2
61	6
62	3
63	6
64	5
65	5
66	4
67	7
68	4
69	4
70	8
71	6
72	6
73	5
74	5
75	4
76	8
77	7
78	6
79	4
80	4
81	5
82	6
83	4
84	5
85	4
86	3
87	7
88	9
89	9
90	4
91	8
92	5
93	6
94	2
95	9
96	6
97	7
98	1
99	7
100	8

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	2
7	2
8	2
9	3
10	3
11	1
12	1
13	1
14	3
15	3
16	5
17	2
18	2
19	4
20	1
21	4
22	4
23	4
24	3
25	1
26	3
27	3
28	3
29	7
30	4
31	4
32	2
33	3
34	1
35	3
36	5
37	2
38	2
39	5
40	6
41	1
42	6
43	5
44	2
45	4
46	6
47	4
48	3
49	3
50	4
51	4
52	6
53	4
54	3
55	5
56	2
57	3
58	5
59	5
60	2
61	6
62	3
63	6
64	5
65	5
66	4
67	7
68	4
69	4
70	8
71	6
72	6
73	5
74	5
75	4
76	8
77	7
78	6
79	4
80	4
81	5
82	6
83	4
84	5
85	4
86	3
87	7
88	9
89	9
90	4
91	8
92	5
93	6
94	2
95	9
96	6
97	7
98	1
99	7
100	8