A187758 - cp's OEIS frontend

A187758 Number of ways to write n=x+y (x,y>0) with 2x-3, 2x+3, 6y+1 and 6y+5 all prime.

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

[0, 0, 0, 0, 1, 2, 2, 2, 2, 3, 4, 2, 2, 3, 3, 3, 2, 3, 3, 4, 5, 3, 6, 5, 4, 6, 3, 5, 4, 3, 6, 2, 4, 5, 5, 4, 4, 6, 5, 4, 6, 5, 4, 5, 7, 5, 2, 3, 6, 4, 5, 4, 5, 7, 6, 9, 5, 4, 9, 5, 4, 5, 5, 4, 5, 6, 3, 8, 5, 8, 8, 3, 7, 5, 3, 5, 3, 5, 4, 9, 6, 4, 9, 7, 5, 8, 7, 8, 6, 9, 8, 2, 7, 7, 5, 6, 2, 10, 6, 3]

cp's OEIS Frontend

A187758 Number of ways to write n=x+y (x,y>0) with 2x-3, 2x+3, 6y+1 and 6y+5 all prime.

Table of values

List of values

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

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

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