A076473 - cp's OEIS frontend

A076473 Number of pairs (p,q) of successive primes with p+q<=n and gcd(p+q,n)=1.

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

[0, 0, 0, 0, 0, 1, 1, 1, 2, 0, 2, 1, 3, 1, 1, 1, 3, 1, 4, 0, 2, 1, 4, 1, 4, 1, 2, 1, 5, 0, 6, 1, 2, 1, 4, 1, 7, 1, 2, 0, 7, 1, 8, 1, 1, 1, 8, 1, 7, 0, 2, 1, 9, 1, 7, 1, 3, 1, 9, 0, 10, 1, 3, 1, 6, 1, 10, 1, 4, 0, 11, 1, 11, 1, 3, 1, 10, 1, 12, 0, 4, 1, 12, 1, 9, 1, 4, 1, 13, 0, 10, 1, 4, 1, 10, 1, 14, 1, 4]

cp's OEIS Frontend

A076473 Number of pairs (p,q) of successive primes with p+q<=n and gcd(p+q,n)=1.

Table of values

List of values

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

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

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