A187757 - cp's OEIS frontend

A187757 Number of ways to write n=x+y (x,y>0) with 6x-1, 6x+1, 6y+1 and 6y+5 all prime.

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

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

cp's OEIS Frontend

A187757 Number of ways to write n=x+y (x,y>0) with 6x-1, 6x+1, 6y+1 and 6y+5 all prime.

Table of values

List of values

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

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

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