A219157 - cp's OEIS frontend

A219157 Number of prime pairs {p,q} with p>q and p-2,q+2 also prime such that p+(1+mod(-n,6))q=n if n is not congruent to 2 mod 6, and p-q=n and q if n=2 (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	1
12	1
13	0
14	1
15	0
16	1
17	1
18	1
19	0
20	0
21	0
22	2
23	1
24	2
25	1
26	1
27	1
28	2
29	1
30	1
31	1
32	1
33	1
34	1
35	1
36	2
37	2
38	1
39	1
40	1
41	2
42	1
43	1
44	1
45	0
46	2
47	0
48	2
49	2
50	1
51	1
52	2
53	3
54	1
55	0
56	2
57	1
58	1
59	0
60	2
61	2
62	1
63	2
64	1
65	2
66	1
67	0
68	1
69	0
70	2
71	1
72	2
73	1
74	1
75	1
76	2
77	1
78	2
79	2
80	1
81	1
82	2
83	2
84	2
85	1
86	1
87	2
88	1
89	1
90	2
91	2
92	2
93	1
94	2
95	2
96	0
97	1
98	3
99	1
100	0

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

cp's OEIS Frontend

A219157 Number of prime pairs {p,q} with p>q and p-2,q+2 also prime such that p+(1+mod(-n,6))q=n if n is not congruent to 2 mod 6, and p-q=n and q if n=2 (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	1
12	1
13	0
14	1
15	0
16	1
17	1
18	1
19	0
20	0
21	0
22	2
23	1
24	2
25	1
26	1
27	1
28	2
29	1
30	1
31	1
32	1
33	1
34	1
35	1
36	2
37	2
38	1
39	1
40	1
41	2
42	1
43	1
44	1
45	0
46	2
47	0
48	2
49	2
50	1
51	1
52	2
53	3
54	1
55	0
56	2
57	1
58	1
59	0
60	2
61	2
62	1
63	2
64	1
65	2
66	1
67	0
68	1
69	0
70	2
71	1
72	2
73	1
74	1
75	1
76	2
77	1
78	2
79	2
80	1
81	1
82	2
83	2
84	2
85	1
86	1
87	2
88	1
89	1
90	2
91	2
92	2
93	1
94	2
95	2
96	0
97	1
98	3
99	1
100	0

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

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