A219966 - cp's OEIS frontend

A219966 Number of ways to write n=p+q+(n mod 2)q with q<=n/2 and p, q, q+6 all prime.

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

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

cp's OEIS Frontend

A219966 Number of ways to write n=p+q+(n mod 2)q with q<=n/2 and p, q, q+6 all prime.

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

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

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