A230219 - cp's OEIS frontend

A230219 Number of ways to write 2*n + 1 = p + q + r with p <= q such that p, q, r are primes in A230217 and p + q + 9 is also prime.

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

[0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 1, 2, 5, 2, 2, 4, 3, 1, 4, 3, 1, 4, 1, 2, 5, 2, 3, 4, 3, 3, 8, 6, 3, 12, 6, 2, 13, 3, 3, 7, 6, 4, 5, 4, 4, 8, 7, 4, 12, 7, 3, 19, 6, 3, 16, 5, 4, 9, 5, 5, 7, 10, 4, 5, 8, 3, 14, 4, 3, 14, 2, 5, 12, 5, 2, 14, 9, 2, 10, 12, 4, 12, 7, 6, 12, 7, 9, 14, 8, 6, 12, 5, 4, 19, 8, 4, 23, 6, 3, 14]

cp's OEIS Frontend

A230219 Number of ways to write 2*n + 1 = p + q + r with p <= q such that p, q, r are primes in A230217 and p + q + 9 is also prime.

Table of values

List of values

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

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

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