A227923 - cp's OEIS frontend

A227923 Number of ways to write n = x + y (x, y > 0) such that 6x-1 is a Sophie Germain prime and {6y-1, 6*y+1} is a twin prime pair.

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

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

cp's OEIS Frontend

A227923 Number of ways to write n = x + y (x, y > 0) such that 6x-1 is a Sophie Germain prime and {6y-1, 6*y+1} is a twin prime pair.

Table of values

List of values

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

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

cp's OEIS Frontend

A227923 Number of ways to write n = x + y (x, y > 0) such that 6*x-1 is a Sophie Germain prime and {6*y-1, 6*y+1} is a twin prime pair.

Table of values

List of values

A227923 Number of ways to write n = x + y (x, y > 0) such that 6x-1 is a Sophie Germain prime and {6y-1, 6*y+1} is a twin prime pair.

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