A218867 - cp's OEIS frontend

A218867 Number of prime pairs {p,q} with p>q and {p-4,q+4} also prime such that p+(1+(n mod 6))q=n if n is not congruent to 4 (mod 6), and p-q=n and q if n=4 (mod 6).

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

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 2, 1, 2, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 2, 1, 2, 0, 1, 2, 2, 2, 2, 0, 2, 2, 1, 1, 1, 2, 1, 0, 0, 1, 0, 2, 2, 0, 2, 1, 3, 0, 1, 1, 2, 2, 1, 0, 3, 2, 3, 0, 2, 1, 4, 1, 1, 2, 1, 3, 2]

cp's OEIS Frontend

A218867 Number of prime pairs {p,q} with p>q and {p-4,q+4} also prime such that p+(1+(n mod 6))q=n if n is not congruent to 4 (mod 6), and p-q=n and q if n=4 (mod 6).

Table of values

List of values

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

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

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